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题目
题型:不详难度:来源:
I can’t find my English book. I must ___ it at home this morning.
A.forgetB.leaveC.have forgottenD.have left

答案
D
解析
must后加完成时表示叙述过去的事情, 把….留在家里不能用forget,只能用 leave
核心考点
试题【I can’t find my English book. I must ___ it at home this morning.A.forgetB.leave】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
We ___ to the farm last week.
A.hadB.needed toC.didn’tD.had to go

题型:不详难度:| 查看答案
--Must we hand in our homework now?---No, you ___. You ___ hand them in before Friday.
A.mustn’t , canB.needn’t, canC.can"t , canD.mustn’t, must

题型:不详难度:| 查看答案
——What sort of house do you want to have?  Something big?
——Well, it          be big--that’s not important.
A.mustn’tB.needn’tC.can’tD.won’t

题型:不详难度:| 查看答案
She didn"t answer the phone.She ___ be asleep.
A.couldn"tB.mustn’tC.mightD.had to

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He ___ work in Hangzhou, did he?
A.usedn’tB.didn’t usedC.used toD.usen’t to

题型:不详难度:| 查看答案
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