John ___ be a basketball player.He’s much too short.A．mayB．mustn’tC．can"tD．shoul
题型：不详难度：来源：
John ___ be a basketball player.He’s much too short.| A．may | B．mustn’t | C．can"t | D．should |
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答案
| C |
解析
| 断然否定推测用can"t而不能用mustn’t, mustn’t表示 “不准” |
举一反三
My father ______ you a lift, even if he didn’t plan to take that way．| A．must have given | B．might have given | | C．should have given | D．can’t have given |
|
—What a great cook your sister is!
—Yeah! We ______ never have enough of her cookies．| A．may | B．must | C．should | D．can |
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Cars play an important role in modern life, but they_______also cause many problems like air pollution．| A．should | B．can | C．must | D．Will |
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--You just think of yourself! You kept me waiting for at least three hours．
–I am sorry that you________think so.| A．would | B．should | C．could | D．might |
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——Hi, Mike．Any idea where Mary is?
——She ____ in the classroom．I saw her there just now．| A．shall be | B．should have been | C．must be | D．might have been |
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