may 和 might 用于表示“许可注意: 在语气上might比may更婉转.而may not 表示不许可或禁止. 例如: (1). You might read the story ——青夏教育精英家教网—

摘要： may 和 might 用于表示“许可注意: 在语气上might比may更婉转.而may not 表示不许可或禁止. 例如: (1). You might read the story for me. (2). May I make a suggestion? (3). Students may not make noise in the library.

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can, could, may和might都可用来表示允许、许可或请求允许、许可，请用can, could, may或might填空。

1．－________(Could, May)I watch TV, Mum?

－Yes, you ________(can, may), but you must finish your homework first．

2．－________(Might, Can)I borrow your bike?

－Yes, you ________(can, may)．

3．－________(May, Might)I ask you a question?

－Yes, please．

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用may，might，could，must和can't填空

1．He ________ be French because he speaks French so much.

2．You'd better take an umbrella. It ________ rain before evening.

3．I don't know. It ________ be a stick.

4．The phone is ringing, but there is no answer. She ________ be at home.

5．Listen to the laughter. They ________ be enjoying themselves.

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The magazine___________ be Lily's, for we can find her name on the cover.

A. may B. might C. could D. must

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—Must I go through the radiation (辐射) check when I come back from Japan at the airport these days?

—Yes, you ______.

A. can B. may C. might D. must

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—________ I smoke here?

—No. You are not allowed to smoke in public places.

A. Could B. Must C. May D. Might

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