It is five years since my dear aunt _______ here.A．leftB．has leftC．is leftD．had

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It is five years since my dear aunt _______ here.

A．left

B．has left

C．is left

D．had left

答案

解析

since，for作为连词，引导时间状语（从句）如果谓语动词是延续性的一般过去时，其表达的含义是"从这个动作结束以来"，恰好和动词的词义相反，具有否定的含义；如果谓语动词是非延续性的一般过去时，其表达的含义是"从这个动作开始以来"，恰好和动词的词义一致，具有肯定的含义

举一反三

Wherever I ____these days. I always carry my umbrella.

A．am going

B．shall go

C．go

D．should go

题型：不详难度：| 查看答案

Oh, it"s you, I"m sorry I ____know you ____here.

A．don"t, are

B．didn"t, are

C．didn"t ,were

D．don"t, were

题型：不详难度：| 查看答案

I___ to have another try if I get another chance.

A．have been meaning

B．mean

C．am meanin

D．have meant

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-----What _____?
-----I______my key and can"t open the door.

A．happened, lost	B．has happened, lost
C．happens, have lost	D．has happened, have lost

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The students _____ ￡50 a year to cover the cost of books and stationery.

A．give	B．are given
C．have given	D．to give

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