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　　6. Everyone feels______ (relax) when they listen to light music.

　　7. The weather is ______ (terrible) hot.

　　8. Does Jack ______ (do) his homework on time?

　　9. She ______ (not like) playing basketball.

　　10. I have to ______ (get up) at six o’clock.

　　III.选词填空。

　　1. ______ (Don’t, Can’t ) cross the road when the traffic lights are red.

　　2. It’s cold outside. I ______ (must, have to) put on my coat.

　　3. This is ______ (quiet, quite) an interesting book.

　　4. ______ (Take, Bring) your sister here with you.

　　5. Our teacher is very ______ (strict with, strict in) us.

　　6. Don’t make so much ______ (noise, noisy). Dad is sleeping in the next room.

　　7. After dinner I can’t ______ (relax, relaxing, relaxed) either.

　　8. She likes______ ( dressing, wearing, putting on) sunglasses.

　　9. There is a new car ______ (out, outside) the house.

　　10. Speak loudly, please! I can’t ______ (hear, listen to) you clearly.

　　参考答案

　　I. 根据句意和首字母或汉语提示补全单词。

　　1. follow  2. feel  3. outside  4. late  5. fight

　　6. arrive  7. listen  8. dirty  9. before  10. dishes

　　II. 用括号中所给单词的适当形式填空。

　　1. wear  2. has  3. playing  4. bring  5. noisy

　　6. relaxed  7. terribly  8. do  9. doesn’t, like  10. get up

　　III.选词填空。

　　1. Don’t  2. have to  3. quite  4. Bring  5. strict with

　　6. noise  7. relax  8. wearing  9. outside  10. Hear

　　Unit4 重点句型解析

　　1. Don’t arrive late for class.

　　1）这是一个表示否定的祈使句，祈使句表示请求、命令或者建议。谓语动词用原形，句子的主语you通常省略。句子结尾用句号，表示强烈语气的时候用感叹号, 朗读时要用降调。可以在句末或者句首加上please, 使语气更加的缓和客气。please 放在句首时后面不需要加逗号，放在句末时后面要加逗号。例如：

　　Listen to your teacher, please. 请听你的老师讲话。

　　Don’t look out of the window. 不要向窗外看。

　　Please come in. = Come in, please. 请进。

　　2）这种祈使句的肯定式是“Do (实义动词) + 其他成份”。例如：

　　Listen to me carefully! 认真听我讲！

　　Open the door! 打开门！

　　2. …help his mother make breakfast.

　　help sb. (to) do sth. 意为“帮助某人做某事”，help 后面可以跟带to的不定式（to+动词原形）做宾语补足语，也可以跟不带to的动词不定式（动词原形）做宾语补足语。例如：

　　He often helps me (to) clean the classroom.

　　他经常帮助我打扫教室。

　　拓展：help既可以做动词也可以是名词，常见的其他用法有

　　1）help sb. with sth. 意为“帮助某人做某事”，with后可以跟名词。例如：

　　I often help him with his lessons. 我经常帮他做功课。

　　2）with one’s help 意为“在某人的帮助下”。例如：

　　With my teacher’s help, I passed the exam.

　　在老师的帮助下，我通过了考试。

　　3）help oneself to… 意为“请随便用……”。例如：

　　Please help yourselves to some fish. 请随便吃些鱼吧。

　　3. I have to keep my hair short.

　　“keep +sb./sth.+形容词”表示“使某人或者某物保持某种状态”。此句式中的keep是动词，意为“保留，保存，保持”。例如：

　　Too much work keeps me busy and tired.

　　太多的工作让我忙碌而且疲惫。

　　We must keep the class clean.

　　我们必须保持教室干净。

　　拓展：keep常见的其他用法

　　1）“keep + 形容词”，意为“保持某种状态”。例如：

　　Keep quiet, please! 请保持安静!

　　2）“keep sb. doing sth.”表示“让某人继续/不断地做某事”。例如：

　　He kept me waiting for an hour. 他让我等了一个小时。

　　4. …because I have to/must learn to play the piano.

　　此句中的learn是及物动词，意为“学习，学会”。“learn（how）to do sth.”意为“学会，学习（如何）做某事”。例如：

　　You must learn (how) to drive a car. 你必须学会怎样开车。

　　Last year, I learnt how to swim. 去年我学会了游泳。

　　拓展：learn 的其他用法

　　1）learn from 意为“向……学习”。例如：

　　We must learn from Lei Feng. 我们必须向雷锋学习。

　　2）learn by oneself 意为“自学”。例如：

　　He learns English by himself. 他自学英语。

　　3）用于某些谚语中。例如：

　　It’s never too old to learn. 活到老，学到老。

　　5. Don’t leave the dirty dishes in the kitchen!

　　1）leave 作动词，意为“留下，搁置，不马上做，不马上处理”。“leave sth./sb. + 地点” 可以表示“把某人/某物留在或者落在某地”。“leave sth./sb. + 时间”可以表示“把某事搁置到某时”。例如：

　　I left my pen in the classroom. 我把钢笔落在教室了。

　　John always leaves his dirty clothes in his bedroom.

　　约翰总是把他的脏衣服留在卧室。

　　He often leaves the things till next day. 他总是把事情留到第二天。

　　注意：leave sb. by oneself 意为把某人独自留下例如：

　　They are busy with work and always leave their son home by himself.    他们忙于工作并且总是把他们的儿子独自留在家里。

　　2）leave 还可用在及物动词或者不及物动词表示“离开，出发”，“leave for”意为“出发去某地”。例如：

　　The plane leaves for Beijing at 2 p.m.. 飞机下午两点起飞去北京。

　　Mr. Smith left two minutes ago. 史密斯先生两分钟前离开了。

　　练一练：

　　Ⅰ. 仔细阅读对话，选择方框内的句子填空格，使对话意思连贯正确。

　　A：  1  ?

　　B: I am from Canada. And my name is Alice.

　　A: Welcome. Well,   2  . Do you know them?

　　B: Oh, no. Can you tell me, please?

　　A: OK!

　　B: Do we have to wear a uniform every day?

　　A: Yes, we do.

　　B:   3  ?

　　A: No, we can’t. But we can listen to it outside.

　　B: Can we watch TV on school nights?

　　A:   4  .

　　B: Do we have to go to bed by 10:00 at night?

　　A: Yes, we must.

　　B: Oh I see. Thank you very much.

　　A:   5   .

　　Ⅱ. 句型转换，每空一词。

　　1. We can’t listen to music in the room. (改为祈使句)

　　______ ______ to music in the room.

　　2. Eat in class, please. (改为否定句)

　　_____ _____ in class, please.

　　3. You can practice your piano every day. (改为同义句)

　　_____ _____ your piano every day.

　　4. They have to clean the classroom every day. (对划线部分提问)

　　_____ _____ they have to _____ every day?

　　5. She has to wash clothes every week. ( 改为一般疑问句)

　　______ she_____ _____wash her clothes every week?

　　6. We must wear uniforms on Monday. （改为同义句）

　　We ____ ____ wear uniforms on Monday.

　　7. She has to get up at six o’clock every morning. ( 改为否定句)

　　She ____ _____ _____ get up at six o’clock every morning.

　　8. I have to practice my violin on Sundays. (对划线部分提问)

　　_____ _____ you have to practice your violin?