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【题目】Chinese government ________ a lot to control and improve the situation.

A.doB.didC.has doneD.are doing

【答案】C

【解析】

句意:中国政府为控制和改善这种状况做了很多工作。

考查现在完成时。A. do表一般现在时;B. did表一般过去时;C. has done表现在完成时;D. are doing表现在进行时。根据英语语法,现在完成时强调的是动作持续到了现在,并对现在造成了影响,故句子应用现在完成时,表明政府过去做了许多工作,使如今的情况被控制以及得到改善,故选C

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