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        1. We have done what ______.So don’t panic any more.

          A.is doingB.has doneC.is doneD.can be done

          D

          解析試題分析:原句意思是:能夠做的我們已經(jīng)做過了,因此不要再驚慌了。選項A. is doing正在做(主動語態(tài));B. has done已做了(現(xiàn)在完成時主動語態(tài))C. is done被做(一般現(xiàn)在時被動語態(tài))D. can be done能被做(含有情態(tài)動詞的被動語態(tài))。根據(jù)句意,故選D。
          考點(diǎn):考查動詞時態(tài)及語態(tài)。

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