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Book4 第四册
第四册
第一课Making plans 订计划(451-465句)
451.What do you plan to do tomorrow? 明天你打算做什么？
452.I doubt that I'll do anything tomorrow. 明天我恐怕什么也不做。
453.Please excuse me for a little while. I want to do something. 对不起，请稍等一会儿，我要办点事。
454.I imagine I'll do some work instead of going to the movies.我想干点活，不去看电影了.
455.Will it be convenient for you to explain your plans to him? 你把你的计划向他讲一下，方便吗？
456.There's nothing to do because tomorrow is a holiday. 明天是假日所以没事可做。
457.What's your brother planning to do tomorrow? 你的兄弟明天打算做什么？
458.He can't decide what to do他决定不了要干什么。
459.It's difficult to make a decision without knowing all the facts. 不了解全部事实，很难作决定。
460.We're trying to plan our future. 我们正点想法替将来作打算。
461.That's a good idea. 那是个好主意。
462.I'm hoping to spend a few days in the mountains我希望在山区住几天。
463.Would you consider going north this summer? 今年夏天你考虑到北方去吗？
464.If there's a chance you'll go, I'd like to go with you.如果你有机会去，我想和你一起去.
465.After you think it over, please let me know what you decide. 等你想好了，请把你的决定告诉我。
第二课Making decisions 作决定(466-480句)
466.I'm anxious to know what your decision is. 我急于想知道你的决定。
467.I'm confident you've made the right choice. 我相信你已经作了正点确的选择。
468.I want to persuade you to change your mind. 我想说服你改变主意。
469.Will you accept my advice? 你愿意接受我的劝告吗？
470.What have you decided? 你是怎么决定的？
471.I've definitely decided to go to California. 我已肯定要去加利福尼亚州。
472.He didn't want to say anything to influence my decision.他不想说什么来影响我的决定。
473.She refuses to make up her mind她拒绝做出决定。
474.I assume you've decided against buying a new car. 我想你已经决定不买新汽车了。
475.It took him a long time to make up his mind. 他用了很长时间才打定主意。
476.You can go whenever you wish. 什么时候，随你便。
477.We're willing to accept your plan. 我们乐意采纳你的计划。
478.He knows it's inconvenient, but he wants to go anyway. 他知道这不太方便，但不管怎么样他还是要去。
479.According to Mr. Green, this is a complicated problem. 据格林先生认为，这是一个复杂问题。
480.She insists that it doesn't make any difference to her.她坚持说，这对她无所谓。
第三课Going places 旅游(481-495句)
481.Are you going to go anyplace this year? 今年你准备去什么地方吗？
482.If I have enough money, I'm going to take a trip abroad. 假如有足够的钱，我准备去国外旅行一次。
483.How are you going? Are you going by boat? 你准备怎么去？准备从船吗？
484.It's faster to go by plane than by boat坐飞机比乘船快。
485.What's the quickest way to get there? 到那儿去，最快的办法是什么？
486.Altogether it will take ten days to make the trip. 这次旅行总共要十天。
487.I hope you have a good time on your trip祝你旅途愉快。
488.I'm leaving tomorrow, but I haven't packed my suitcases yet. 我准备明天出发，但是我还没有收拾好箱子。
489.I'm going by air. I like flying. 我乘飞机去，我喜欢飞机。
490.My brother took a trip to Mexico. 我的兄弟去墨西哥旅行了一次。
491.It was a six-hour flight. 这是一次六小时的飞机。
492.How many passengers were on the train? 火车上有多少旅客？
493.His friend was injured in an airplane crash.他的朋友在一次飞机事故中受了从伤。
494.Would you like to go for a walk? 你愿意去散步吗？
495.Let's go out to the airport. The plane landed ten minutes ago.咱们到机场去吧，飞机十分钟前就着陆了。
第四课Going shopping 购物(496-510句)
496.I'm going shopping because I need to buy some clothes. 我要去买东西，因为我需要买几件衣服。
497.If this shirt doesn't fit, may I bring it back later? 如果这件衬衣不合身，我回头可以把它退了吗？
498.What size shoes do you wear? 你穿几号鞋？
499.That suit looks very good on you. 那套衣服你穿很合适。
500.This dress is made of silk, isn't it? 这件衣服是绸做的，对不对？
501.I'd like to try on this sweater. 我想试试这件毛衣。
502.I'm interested in buying a new car. 我很想买一辆新轿车。
503.What's the price of that electric iron? 那种电熨斗卖多少钱？
504.How much is this rug? 这条地毯多少钱？
505.Is this toothpaste on sale today? 这种牙膏今天减价出售吗？
506.That's a beautiful leather wallet, but it costs too much. 那只皮夹很漂亮，但价钱太贵了。
507.How much do I owe you一共多少钱？
508.That will be eighteen dollars and seventy-five cents. 十八美元七十五美分。
509.Do you have change for a twenty-dollar bill? 你能换开一张二十元的钞票吗？
510.The clerk helped me find what I wanted. 店员帮我找到了我所要买的东西。
第五课Eating in a restaurant 餐馆进膳(511-525句)
511.What would you like to eat? 你想吃什么？
512.I'd like a bowl of tomato soup, please.请给我要一盆西红柿汤
513.The waiter seems to be in a hurry to take our order.服务员似乎很急着要我们点菜。
514.Which would you rather have - steak or fish? 你想吃哪个菜，牛排还是鱼？
515.I want my steak well-done. 我要的牛排烧透点。
516.What kinds of vegetables do you have? 你要什么蔬菜？
517.I'll have mashed potatoes and green beans. 我要土豆泥和青豆。
518.Would you please pass the salt? 请你递一下盐好吗？
519.They serve good food in this restaurant. 这家饭馆卖的饭菜很好。
520.Are you ready for your dessert now? 现在可以给您上甜食吗？
521.This knife is dirty. Would you bring me a clean one, please? 这把刀是脏的，请您给我一把干净的好吗？
522.May I have the check, please? 请开帐单，好吗？
523.You have your choice of three flavors of ice cream. 有三种冰激凌任你选。
524.We have vanilla, chocolate, and strawberry. 有香草的、巧克力的和杨梅的。
525.We invited two guests to dinner, but they didn't come. 我们请了两位客人吃晚饭，但是他们都没有来。
第六课Going out for the evening 参加晚会(526-540句)
526.How long did the movie last? 我部电影多长？
527.The feature started at 9 o'clock and ended at 11:30.正片九点开始放映到十一点半结束。
528.They say the new film is an adventure story.据说，这部新片子是一部惊险故事片。
529.A group of us went out to the theater last night.昨天晚上我们一群人去看戏了。
530.The new play was good and everybody enjoyed it.这个新编的剧目很好，大家都很欣赏。
531.By the time we got there, the play had already begun.我们到达那儿时，戏已经开始了.
532.The usher showed us to our seats. 招待员把我们领到座位上。
533.The cast of the play included a famous actor. 我个戏的演员名单中有一位名演员。
534.After the play was over, we all wanted to get something to eat. 戏演完后，我们都想找点吃的。
535.There was a big crowd and we had difficulty getting a taxi. 人很多，我们好不容易找到一辆出租汽车。
536.The restaurant was filled, so we decided to go elsewhere. 饭馆客满，所以我们决定到别的地方去。
537.My brother wants to learn how to dance. 我的兄弟想学跳舞。
538.We don't go dancing very often. 我们不常去跳舞。
539.Which would you rather do - go dancing or go to a play? 你喜欢做什么，去跳舞还是去看戏？
540. I'm not accustomed to going out after dark. 天黑以后我不习惯出门。
第七课Making appointments 约会(541-555句)
541.I'd like to make an appointment to see Mr. Cooper. 我想约个时间去看库柏先生。
542.Would you like to arrange for a personal interview? 你愿意安排一次个别会谈吗？
543.Your appointment will be next Thursday at 10 o'clock. 你约会的时间是在下星期四的十点钟。
544.I can come any day except Thursday. 除星期四，我哪一天都可以来。
545.He wants to change his appointment from Monday to Wednesday. 他想把他的约会从星期一改到星期三。
546.She failed to call the office to cancel her appointment.她没有打电话到办公室取消她的约会。
547.I'm going to call the employment agency for a job.我准备到职业介绍所申请工作。
548.Please fill in this application form.请填写这份申请表。
549.Are you looking for a permanent position? 你要找个固定职业吗？
550.I'm going to call a plumber to come this afternoon. 我准备今天下午叫一个管道工人来。
551.I couldn't keep the appointment because I was sick. 我病了没去赴约。
552.I'm a new employee. I was hired yesterday. 我是个新雇员。我昨天才受雇的。
553.Please call before you come, otherwise we might not be home. 来以前请先打个电话，否则，我们可能不在家。
554.Let's make a date to go shopping next Thursday. 我们就定在下星期四去买东西吧。
555.Will you please lock the door when you leave? 你离开时请锁上门好吗？
第八课Visiting the doctor 看病(556-570句)
556.I went to see my doctor for a check-up yesterday. 昨天我去请医生作了一次检查。
557.The doctor discovered that I'm a little overweight. 医生发现我太胖了一点。
558.He gave me a chest X-ray and took my blood pressure.他给我作了X光胸透并量了血压。
559.He told me to take these pills every four hours他告诉我每隔四小时服用一次这种药丸.
560.Do you think the patient can be cured? 你认为这个病人能治好吗？
561.They operated on him last night. 昨晚给他做了一次手术。
562.He needed a blood transfusion. 他需要输血。
563.My uncle had a heart attack last year. 我叔叔去年害了一场心脏病。
564.They had to call in a heart specialist. 他们不得不请来一位心脏病专家。
565.What did the doctor say? 医生说什么？
566.The doctor advised me to get plenty of exercise. 医生建议我多锻炼。
567.The doctor said I look pale. 医生说我脸色苍白。
568.If I want to be healthy. I have to stop smoking cigarettes. 如果要想身体健康，我心须戒烟。
569.The physician said smoking is harmful to my health.内科大夫说，吸烟对我的健康有害.
570.It's just a mosquito bite. There's nothing to worry about. 这是蚊虫咬伤的。没有什么可担心的。
第九课Making telephone calls 打电话(571-585句)
571.You're wanted on the telephone. 有电话找你。
572.What number should I dial to get the operator? 找总机电话员我该拔什么号？
573.I want to make a long distance call. 我要打个长途电话。
574.Pick up the receiver and deposit a coin in the slot. 拿起听筒之后，放一个硬币在这个孔口里。
575.I tried to call Mr. Cooper, but the line was busy.我想给库柏先生打个电话。但一直占线。
576.You must have dialed the wrong number. 我一定是拔错号了。
577.I dialed the right number, but nobody answered. 我拔的号是对的，但没有人接。
578.The telephone is ringing, would you answer it, please?电话铃响了，请你接一下，好吗？
579.Would you like to leave a message? 你愿意留个话吗？
580.Who is this? I don't recognize your voice. 谁呀？我听不出你的声音来。
581.Would you please tell Mr. Cooper I called?请你告诉库柏先生，说我给他打过电话，好吗?
582.Is this Empire 5-4093? 你这儿是EM5-4093 号吗？
583.I have to hang up now. 现在我该把电话挂了。
584.Put the receiver closer to your mouth. I can't hear you. 请把电话筒靠近你嘴边一些，我听不清你的话。
585.Would you mind calling back sometime tomorrow? 明天什么时候请你回我一个电话，好吗？
第十课Writing letters 写信(586-600句)
586.How long has it been since you've heard from your uncle? 从你上次接到你叔父的信以来有多长时间了？
587.When was the last time he wrote you? 他最后一次写信给你是什么时候？
588.I can't recall how long it's been. 我回忆不起来有多久了。
589.I'm always disappointed when I don't get any mail.接不到任何邮件时，我总感到失望。
590. I feel guilty because I haven't written her lately. 我感到内疚，因为我近来一直没有写信给她。
591. What time is the mail delivered on Saturday? 星期六的邮件是在什么时间投送的？
592. The postman always comes at 2 o'clock. 邮递员总是两点钟来。
593. I wrote to my uncle last night. I couldn't put it off any longer. 昨晚我给叔叔写了信。我不能再拖延了。
594. I enclosed some photographs in my letter. 我在信里附了几张照片。
595. I didn't know whether to send the letter airmail or not我不知道这封信是否要用航空发出。
596. How long does it take for a letter to get to California? 往加利福尼亚州寄信得
多长时间？
597. Don't forget to put stamps on the letter before you mail it.发信前别忘了贴邮票.
598. He went to the post office to mail a letter. 他到邮局寄信去了。
599. I dropped the letter in the mailbox on the corner. 我把信投入拐角处的邮筒里。
600. How did you sign the letter? Did you write, "Sincerely yours"?你在信上是怎么署名的？你写上“忠实于您的”了吗？
第四册
第一课Making plans 订计划(451-465句)
451.What do you plan to do tomorrow? 明天你打算做什么？
452.I doubt that I'll do anything tomorrow. 明天我恐怕什么也不做。
453.Please excuse me for a little while. I want to do something. 对不起，请稍等一会儿，我要办点事。
454.I imagine I'll do some work instead of going to the movies.我想干点活，不去看电影了.
455.Will it be convenient for you to explain your plans to him? 你把你的计划向他讲一下，方便吗？
456.There's nothing to do because tomorrow is a holiday. 明天是假日所以没事可做。
457.What's your brother planning to do tomorrow? 你的兄弟明天打算做什么？
458.He can't decide what to do他决定不了要干什么。
459.It's difficult to make a decision without knowing all the facts. 不了解全部事实，很难作决定。
460.We're trying to plan our future. 我们正点想法替将来作打算。
461.That's a good idea. 那是个好主意。
462.I'm hoping to spend a few days in the mountains我希望在山区住几天。
463.Would you consider going north this summer? 今年夏天你考虑到北方去吗？
464.If there's a chance you'll go, I'd like to go with you.如果你有机会去，我想和你一起去.
465.After you think it over, please let me know what you decide. 等你想好了，请把你的决定告诉我。
第二课Making decisions 作决定(466-480句)
466.I'm anxious to know what your decision is. 我急于想知道你的决定。
467.I'm confident you've made the right choice. 我相信你已经作了正点确的选择。
468.I want to persuade you to change your mind. 我想说服你改变主意。
469.Will you accept my advice? 你愿意接受我的劝告吗？
470.What have you decided? 你是怎么决定的？
471.I've definitely decided to go to California. 我已肯定要去加利福尼亚州。
472.He didn't want to say anything to influence my decision.他不想说什么来影响我的决定。
473.She refuses to make up her mind她拒绝做出决定。
474.I assume you've decided against buying a new car. 我想你已经决定不买新汽车了。
475.It took him a long time to make up his mind. 他用了很长时间才打定主意。
476.You can go whenever you wish. 什么时候，随你便。
477.We're willing to accept your plan. 我们乐意采纳你的计划。
478.He knows it's inconvenient, but he wants to go anyway. 他知道这不太方便，但不管怎么样他还是要去。
479.According to Mr. Green, this is a complicated problem. 据格林先生认为，这是一个复杂问题。
480.She insists that it doesn't make any difference to her.她坚持说，这对她无所谓。
第三课Going places 旅游(481-495句)
481.Are you going to go anyplace this year? 今年你准备去什么地方吗？
482.If I have enough money, I'm going to take a trip abroad. 假如有足够的钱，我准备去国外旅行一次。
483.How are you going? Are you going by boat? 你准备怎么去？准备从船吗？
484.It's faster to go by plane than by boat坐飞机比乘船快。
485.What's the quickest way to get there? 到那儿去，最快的办法是什么？
486.Altogether it will take ten days to make the trip. 这次旅行总共要十天。
487.I hope you have a good time on your trip祝你旅途愉快。
488.I'm leaving tomorrow, but I haven't packed my suitcases yet. 我准备明天出发，但是我还没有收拾好箱子。
489.I'm going by air. I like flying. 我乘飞机去，我喜欢飞机。
490.My brother took a trip to Mexico. 我的兄弟去墨西哥旅行了一次。
491.It was a six-hour flight. 这是一次六小时的飞机。
492.How many passengers were on the train? 火车上有多少旅客？
493.His friend was injured in an airplane crash.他的朋友在一次飞机事故中受了从伤。
494.Would you like to go for a walk? 你愿意去散步吗？
495.Let's go out to the airport. The plane landed ten minutes ago.咱们到机场去吧，飞机十分钟前就着陆了。
第四课Going shopping 购物(496-510句)
496.I'm going shopping because I need to buy some clothes. 我要去买东西，因为我需要买几件衣服。
497.If this shirt doesn't fit, may I bring it back later? 如果这件衬衣不合身，我回头可以把它退了吗？
498.What size shoes do you wear? 你穿几号鞋？
499.That suit looks very good on you. 那套衣服你穿很合适。
500.This dress is made of silk, isn't it? 这件衣服是绸做的，对不对？
501.I'd like to try on this sweater. 我想试试这件毛衣。
502.I'm interested in buying a new car. 我很想买一辆新轿车。
503.What's the price of that electric iron? 那种电熨斗卖多少钱？
504.How much is this rug? 这条地毯多少钱？
505.Is this toothpaste on sale today? 这种牙膏今天减价出售吗？
506.That's a beautiful leather wallet, but it costs too much. 那只皮夹很漂亮，但价钱太贵了。
507.How much do I owe you一共多少钱？
508.That will be eighteen dollars and seventy-five cents. 十八美元七十五美分。
509.Do you have change for a twenty-dollar bill? 你能换开一张二十元的钞票吗？
510.The clerk helped me find what I wanted. 店员帮我找到了我所要买的东西。
第五课Eating in a restaurant 餐馆进膳(511-525句)
511.What would you like to eat? 你想吃什么？
512.I'd like a bowl of tomato soup, please.请给我要一盆西红柿汤
513.The waiter seems to be in a hurry to take our order.服务员似乎很急着要我们点菜。
514.Which would you rather have - steak or fish? 你想吃哪个菜，牛排还是鱼？
515.I want my steak well-done. 我要的牛排烧透点。
516.What kinds of vegetables do you have? 你要什么蔬菜？
517.I'll have mashed potatoes and green beans. 我要土豆泥和青豆。
518.Would you please pass the salt? 请你递一下盐好吗？
519.They serve good food in this restaurant. 这家饭馆卖的饭菜很好。
520.Are you ready for your dessert now? 现在可以给您上甜食吗？
521.This knife is dirty. Would you bring me a clean one, please? 这把刀是脏的，请您给我一把干净的好吗？
522.May I have the check, please? 请开帐单，好吗？
523.You have your choice of three flavors of ice cream. 有三种冰激凌任你选。
524.We have vanilla, chocolate, and strawberry. 有香草的、巧克力的和杨梅的。
525.We invited two guests to dinner, but they didn't come. 我们请了两位客人吃晚饭，但是他们都没有来。
第六课Going out for the evening 参加晚会(526-540句)
526.How long did the movie last? 我部电影多长？
527.The feature started at 9 o'clock and ended at 11:30.正片九点开始放映到十一点半结束。
528.They say the new film is an adventure story.据说，这部新片子是一部惊险故事片。
529.A group of us went out to the theater last night.昨天晚上我们一群人去看戏了。
530.The new play was good and everybody enjoyed it.这个新编的剧目很好，大家都很欣赏。
531.By the time we got there, the play had already begun.我们到达那儿时，戏已经开始了.
532.The usher showed us to our seats. 招待员把我们领到座位上。
533.The cast of the play included a famous actor. 我个戏的演员名单中有一位名演员。
534.After the play was over, we all wanted to get something to eat. 戏演完后，我们都想找点吃的。
535.There was a big crowd and we had difficulty getting a taxi. 人很多，我们好不容易找到一辆出租汽车。
536.The restaurant was filled, so we decided to go elsewhere. 饭馆客满，所以我们决定到别的地方去。
537.My brother wants to learn how to dance. 我的兄弟想学跳舞。
538.We don't go dancing very often. 我们不常去跳舞。
539.Which would you rather do - go dancing or go to a play? 你喜欢做什么，去跳舞还是去看戏？
540. I'm not accustomed to going out after dark. 天黑以后我不习惯出门。
第七课Making appointments 约会(541-555句)
541.I'd like to make an appointment to see Mr. Cooper. 我想约个时间去看库柏先生。
542.Would you like to arrange for a personal interview? 你愿意安排一次个别会谈吗？
543.Your appointment will be next Thursday at 10 o'clock. 你约会的时间是在下星期四的十点钟。
544.I can come any day except Thursday. 除星期四，我哪一天都可以来。
545.He wants to change his appointment from Monday to Wednesday. 他想把他的约会从星期一改到星期三。
546.She failed to call the office to cancel her appointment.她没有打电话到办公室取消她的约会。
547.I'm going to call the employment agency for a job.我准备到职业介绍所申请工作。
548.Please fill in this application form.请填写这份申请表。
549.Are you looking for a permanent position? 你要找个固定职业吗？
550.I'm going to call a plumber to come this afternoon. 我准备今天下午叫一个管道工人来。
551.I couldn't keep the appointment because I was sick. 我病了没去赴约。
552.I'm a new employee. I was hired yesterday. 我是个新雇员。我昨天才受雇的。
553.Please call before you come, otherwise we might not be home. 来以前请先打个电话，否则，我们可能不在家。
554.Let's make a date to go shopping next Thursday. 我们就定在下星期四去买东西吧。
555.Will you please lock the door when you leave? 你离开时请锁上门好吗？
第八课Visiting the doctor 看病(556-570句)
556.I went to see my doctor for a check-up yesterday. 昨天我去请医生作了一次检查。
557.The doctor discovered that I'm a little overweight. 医生发现我太胖了一点。
558.He gave me a chest X-ray and took my blood pressure.他给我作了X光胸透并量了血压。
559.He told me to take these pills every four hours他告诉我每隔四小时服用一次这种药丸.
560.Do you think the patient can be cured? 你认为这个病人能治好吗？
561.They operated on him last night. 昨晚给他做了一次手术。
562.He needed a blood transfusion. 他需要输血。
563.My uncle had a heart attack last year. 我叔叔去年害了一场心脏病。
564.They had to call in a heart specialist. 他们不得不请来一位心脏病专家。
565.What did the doctor say? 医生说什么？
566.The doctor advised me to get plenty of exercise. 医生建议我多锻炼。
567.The doctor said I look pale. 医生说我脸色苍白。
568.If I want to be healthy. I have to stop smoking cigarettes. 如果要想身体健康，我心须戒烟。
569.The physician said smoking is harmful to my health.内科大夫说，吸烟对我的健康有害.
570.It's just a mosquito bite. There's nothing to worry about. 这是蚊虫咬伤的。没有什么可担心的。
第九课Making telephone calls 打电话(571-585句)
571.You're wanted on the telephone. 有电话找你。
572.What number should I dial to get the operator? 找总机电话员我该拔什么号？
573.I want to make a long distance call. 我要打个长途电话。
574.Pick up the receiver and deposit a coin in the slot. 拿起听筒之后，放一个硬币在这个孔口里。
575.I tried to call Mr. Cooper, but the line was busy.我想给库柏先生打个电话。但一直占线。
576.You must have dialed the wrong number. 我一定是拔错号了。
577.I dialed the right number, but nobody answered. 我拔的号是对的，但没有人接。
578.The telephone is ringing, would you answer it, please?电话铃响了，请你接一下，好吗？
579.Would you like to leave a message? 你愿意留个话吗？
580.Who is this? I don't recognize your voice. 谁呀？我听不出你的声音来。
581.Would you please tell Mr. Cooper I called?请你告诉库柏先生，说我给他打过电话，好吗?
582.Is this Empire 5-4093? 你这儿是EM5-4093 号吗？
583.I have to hang up now. 现在我该把电话挂了。
584.Put the receiver closer to your mouth. I can't hear you. 请把电话筒靠近你嘴边一些，我听不清你的话。
585.Would you mind calling back sometime tomorrow? 明天什么时候请你回我一个电话，好吗？
第十课Writing letters 写信(586-600句)
586.How long has it been since you've heard from your uncle? 从你上次接到你叔父的信以来有多长时间了？
587.When was the last time he wrote you? 他最后一次写信给你是什么时候？
588.I can't recall how long it's been. 我回忆不起来有多久了。
589.I'm always disappointed when I don't get any mail.接不到任何邮件时，我总感到失望。
590. I feel guilty because I haven't written her lately. 我感到内疚，因为我近来一直没有写信给她。
591. What time is the mail delivered on Saturday? 星期六的邮件是在什么时间投送的？
592. The postman always comes at 2 o'clock. 邮递员总是两点钟来。
593. I wrote to my uncle last night. I couldn't put it off any longer. 昨晚我给叔叔写了信。我不能再拖延了。
594. I enclosed some photographs in my letter. 我在信里附了几张照片。
595. I didn't know whether to send the letter airmail or not我不知道这封信是否要用航空发出。
596. How long does it take for a letter to get to California? 往加利福尼亚州寄信得
多长时间？
597. Don't forget to put stamps on the letter before you mail it.发信前别忘了贴邮票.
598. He went to the post office to mail a letter. 他到邮局寄信去了。
599. I dropped the letter in the mailbox on the corner. 我把信投入拐角处的邮筒里。
600. How did you sign the letter? Did you write, "Sincerely yours"?你在信上是怎么署名的？你写上“忠实于您的”了吗？