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改错 1. May you swim? 2. Did you can pass me the salt please? Must and must notMust we go now? Yes, we must. No, needn't. What must I do? You must work very hard. mustn't be lazy. 用和括号里的动词提问，然后回答。 1. A Must Peter go to bed early tonight? (go) B Yes, He must. He has a test early tomorrow morning. 2. A _____ we _____ the door? (lock) B _____________. A thief might come in. 3. A Where _____ the students _____ the teacher? (meet) B _____________ her at the underground station. 4. A Doctor, _____ I _____ a lot of medicine? (take) B No, you needn't. _____'-may only take a little. 5. A What time _____ you and Bob _____ at the cinema? (be) B _____________ there at 7:45. 改错： 1. Do we must clean the room? 2. You mustn't to smoke here. 用情态动词回答问题： 1. Can we stay at the party until midnight? No, _____________. 2. Can you speak French? No, _____________. 3. Must I do my homework now? Yes, _____________. 4. May I look at this magazine? Yes, _____________. 5. May we watch a video? No, _____________. 6. Must we hurry up? Yes, _____________. 用can, can’t, must, mustn't完成对话 LI NA： (1) _______ you tell me a bit about computers, please? SALESPERSON： Yes, of course I (2) _______. Computers (3) _______ be very useful machines. You (4) _______ save a lot of time with a computer. LI NA ： I (5) _______ use a computer yet, so I (6) _______ buy an easy machine to learn it on. Is this one easy to use? SALESPERSON： Oh, yes. They're all easy to use. You (7) _______ learn to use it with this book. LI NA ： (8) _______ you teach me how to use it? SALESPERSON ：Yes. But first, let me tell you the rules. It's OK to leave your computer on when you're not using it. In fact, you (9) _______ leave it on all day if you want. LI NA (10) _______ I really? SALESPERSON ：Certainly. But you (11) _______ turn your computer on and off a lot because it's bad for it. LI NA： What else (12) _______ I do? SALESPERSON： You (13) _______ move your computer when it is running. LI NA：What about the mouse and the keyboard (键盘)? SALESPERSON： Of course. You (14) _______ move these. (责任编辑：admin) |