---May we leave the classroom now?---No, you . You to leave until the
题型：不详难度：来源：
---May we leave the classroom now?
---No, you . You to leave until the bell rings.| A．mustn’t, are allowed | B．don’t have to, are supposed | | C．needn’t, aren’t allowed | D．can’t, aren’t supposed |
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答案
| D |
解析
试题分析：句意：我们现在可以离开教室吗？不，你们不能，直到下课铃响了，才可以离开。can’t表示不能够，用于回答may的提问，be supposed to do sth应该做某事，故选D
点评：情态动词是中考的必考语言点。情态动词表必要性时用must(必须)与don’t have to / needn’t(不必要)；表推测时用must (肯定、一定)与 can’t/couldn’t (不可能)；表请求和许可时can/may(可以、能够)与can’t/mustn’t(禁止、不许)。 |
举一反三
— Must we wear our school uniform this afternoon?
— No, you. All of us will go on an outing.| A．mustn"t | B．can"t | C．needn"t | D．couldn"t |
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—Mum, I can’t find my new pen.
—Don’t worry. It ____________in one of your pockets.| A．may | B．maybe | C．may be | D．might |
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We can eat in the dining hall. But we _______ eat in the classroom.| A．don’t | B．didn’t | C．can’t | D．aren’t |
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— Who’s that man in our classroom? It ________ be Mr. Brown. He is much taller.
— You mean the man in white? He is an exchange student from England.| A．can | B．may | C．can’t | D．mustn’t |
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--The man in a black suit _______ be our youth worker.
--- I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.| A．must; can’t | B．can; mustn’t | C．can; could | D．must; won’t |
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