--- Has James finished his report on his Enquiry Learning yet?\

   ---- I’m not sure. He _____ on it last week.

A. was working                B. has worked                   C. worked                          D. had worked

 

【答案】

A

【解析】

試題分析:句意為:----James完成了他有關(guān)咨詢式學(xué)習(xí)的報告了嗎?  ----我也不知道,上周他一直在從事這個工作。has done現(xiàn)在完成時,過去發(fā)生的動作對現(xiàn)在造成的影響,句意中是沒有此含義的,過去發(fā)生的動作一直持續(xù)到現(xiàn)在,題目中也沒有此意,故可排除B;worked強(qiáng)調(diào)過去的動作,此題目表示的是過去的一周一直在做的事情;had done過去完成時,表示過去之過去,work這一動作沒有發(fā)生在過去的動作之前。

考點(diǎn):考查時態(tài)的用法。

 

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