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题目
题型:不详难度:来源:
---Must we leave the classroom now?
---No, you _____. You _____ leave after the bell rings.
A.mustn"t; are allowed toB.don"t have to; might
C.needn"t; can D.can"t; are supposed to

答案
C
解析
:must的含义是必须一定,其否定形式mustn’t表示禁止的含义。故must的否定回答一般借助于needn’和don’t have to来构成,句意:我们现在必须离开教室吗?——不,你们不必。你们可以在铃响之后离开教室。在表示可能时,might表示推测语气,can表示客观的能力,结合语境可知选C。must的否定形式是常考内容之一,结构比较固定,熟记即可。
核心考点
试题【---Must we leave the classroom now?---No, you _____. You _____ leave after the b】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
The policeman _______ that the drunk driver get out of his car.
A.saidB.commanded
C.connectedD.thought

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