She＿＿＿＿＿＿＿＿the film. She knows nothing about it. A．can’t seeB．can’t have seen C．
题型：不详难度：来源：
She＿＿＿＿＿＿＿＿the film. She knows nothing about it. | A．can’t see | B．can’t have seen | C．must see | D．mustn’t have seen |
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答案
| B |
解析
| can’t have done，表示对过去发生情况的否定推测，意为“不可能已经……”。 |
举一反三
I don’t think he＿＿＿＿＿＿＿ a new bike. | A．need to buy | B．needs buy | C．need | D．need buy |
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You must be a student, ＿＿＿＿＿＿＿＿you? | A．wasn’t | B．are | C．mustn’t | D．aren’t |
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On Sundays when I was a child, Father and I ____ get up early and go fishing.
A. could B. would C might D. should |
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— No, you can’t. If you _____, please go to the smoking room.| A．should | B．might | C．can | D．must |
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