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t。t。d better ride bicycles. For one thing, it39。 You must ______ guests _____ when they arrive at the club. 3. 合理飲食和健康在幫助人們長壽起著很重要的作用。s very dangerous to climb 80 high. A. Look out B. Be careful C. Watch out D. A, B and C 5. Where’s Mr. Lin, do you know? Well, it39。t keep quiet. B: Yes, you are right. Let39。t] 1. As students, we ______ obey the school rules. 2. Put on warm clothes. You _______ feel cold later on. 3. I missed the bus, so I ______ take a taxi. 4. I think children ______ really learn to respect their elders. ’s go to the concert together. Sorry, I _____. I ______ go to a meeting 6. Children _______ play near the street. It39。t C. mustn39。t, can, can39。 As a student, it’s very important to finish our homework ______ ______ _______. 拓展提升 V. 根據(jù)下面通知,在橫線處填寫適當?shù)膬?nèi)容補全對話 There will be a science report in Dongfang Huge Plays Theatre on Sunday morning. Here is a notice to the audience. Notice to the audience Please bring your ticket. If you don’t have your ticket, you can’t go into the hall. Don’t run or shout in the hall. If you do, you’ll have to leave. Don’t wear slippers. If you do, the workers won’t let you in. Keep your mobile phone off. If you don’t, you will bother others. Please don’t bring your under 12yearold children here. If they e, I they won’t understand the report. Keep the hall clean. Don’t throw your rubbish around. Or the hall will be dirty. Don’t bring any food into the hall. If you do, the workers will take it away. A: Are you free tomorrow? B: Yes. Why? A: Are you going to listen to ____1____? B: Where? A: ___2____ I have two tickets. Would you like to go with me? B: Great, I39。 couldn’t C. couldn’t。t throw anything at the animals when you are in the zoo. (改為祈使句 ) ______ ______ anything at the animals when you are in the zoo. 3. The twin needs some bananas. (改為否定句 ) The twin ________ need _________ bananas. 4. It39。s really easy to do. Also, we39。t。 asleep V. 1. reached out 2. tidy up 3. go 4. above all 5. picked up VI. 1. A 2. D 3. C Unit 3 Language in use I. 1. causing 2. damage 3. effort 4. directors 5. eighth II. 1. B 2. C 3. B III. 1. worried 2. (should) stay 3. to get 4. environmental 5. fifth IV. 1. allow。 in 3. play an important part。t take him. 4. if I take him there 5. the workers will take it away VI. 1. A 2. B 3. B 4. A 5. A Unit 2 You mustn39。s article, fill in the blanks. Aims Tom39。 All the children ______ ______ ______ the school play. Ⅵ .閱讀理解 (A) Julia Hill, an American woman, was born in 1974. She was 23 years old when she discovered that a pany wanted to cut down part of a forest in C