U4 Grammar 1.I don’t know what to do. I don’t know _____. 2.Millie has decided what to read. Millie has decided _____. 1. When I go into the clothes shop, I always can’t decide _____ one to buy. 2.My grandfather doesn’t know ____ to use a computer. 3. -- Will you please show me ____ to drive a car -- Yes, of course. Now let me tell you ____ to do first. 4.I will tell Lucy _____ and _____ to meet. 1. He did not know where he could find other people. = _____. 2.He wondered who he could ask for help. = _____. 3.He did not know how he could break the ropes. = _____. 4. He found out what he could do with the tiny man. = _____. 5. He decided when he should leave Lilliput. = _____. 6.I don’t know_____. =_____(怎么办) He has to help the tiny men. 1.改为否定句。 He _____the tiny men.2.改为一般疑问句。 _____the tiny men？ 肯定回答：Yes, _____. 否定回答：No, _____. 3.划线部分提问。 _____？ 4.用yesterday改写。 He _____the tiny men yesterday. 5.用tomorrow改写。 He _____the tiny men yesterday. 1. --We need a new leader for our Helping Hands Club, but I don’t know _____. --Why not Mary She is always willing to help others. A. what to choose B. how to choose C. when to choose D. who to choose 2. --Dad, must we wait until the light becomes green --Yes, I’m afraid we _____. That’s the traffic rule. A. can B. may C. have to D. need 3. Students in our school ____ know shouting is not allowed in the library. A. can B. may C. must D. need 4. --Must we hand in our reports today -- No. you _____. A. mustn't B. can't C. shouldn't D. don't have to 5. You _____be hungry after all that walking.(must/may/can/should) 1.Lucy想知道什么时间交报道。Lucy _____ the report. 2.我已经他展示了如何在线续借书。I have already showed _____ online. 3.Tom不确定明天怎么去上学。Tom _____ tomorrow. 4.人们在图书馆里禁止抽烟。People_____ in the library. 5.他们目前没有必要买电脑。They _____ a computer at the moment. 补充练习 1.一Simon, I hear you are going abroad for further study. Have you decided _____ 一 Next September. A. when going B. when to go C. how going D. how to go 2.I don’t remember _____ the book yesterday. A. where I put B. where did I put C. where will I put D. where I will put 3.一Philip has gone to New Zealand． 一Oh，can you tell me_____ A．when did he leave B．when he is leaving C．when he left D．when is he leaving 4.— Must I finish my homework now — No, you . You can go home now.. A. needn’t B. mustn’t C. shouldn’t D. can’t 5.—Must I go to medical school and be a doctor like you, Dad — No, you ____, son. You’re free to make your own decision. A. can’t B. mustn’t C. shouldn’t D. needn’t 6.—Shall I take my swimming suit —No, you _____. We will just go hiking on the mountain. A. mustn’t B. couldn’t C. needn’t D. can’t 7.— Dad, must I practice the piano today — No, you . You may do it tomorrow. A. needn’t B. mustn’t C. shouldn’t D. can’t 综合练习 一、单项选择 1. —I usually go there by train. —Why not ___ by boat for a change A. to try going ... ...
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