Jack _______ yet last night, otherwise he _______ me.A．mustn’t have arrived; mus
题型：不详难度：来源：
Jack _______ yet last night, otherwise he _______ me.| A．mustn’t have arrived; must have phoned | B．can’t have arrived; would have phoned | | C．may have arrived; need have phoned | D．shouldn’t have arrived; can have phoned |
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答案
| B |
解析
| 否定推测要用can’t/couldn’t+…;与过去事实相反的虚拟语气,条件句用过去完成时态,主句用过去将来完成时态,即would/should/could/might+have+p.p.。 |
举一反三
It’s strange that they＿＿＿＿＿nothing about this matter. | A．know | B．would know | C．knows | D．knew |
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If you＿＿＿＿wait a moment, I’ll go and find our manager. | A．can | B．should | C．will | D．must |
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＿＿＿＿＿he come, the problem would be settled. | A．Would | B．Should | C．Shall | D．If |
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—— Nacy＿＿＿＿＿＿＿＿＿ the letter from her mother.
—— No, she can’t have. The postman hasn’t come yet. | A．can receive | B．can have received | C．must have received | D．must receive |
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You＿＿＿＿＿＿＿go to the party if you don’t finish your homework first. | A．won’t | B．don’t | C．oughtn’t | D．shan’t |
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