【題目】Miss Brown, we ______ cleaning our classroom. Can we go home now?

A. finish B. finishing

C. are finished D. have finished

【答案】D

【解析】

試題分析:句意布朗夫人,我們已經(jīng)打掃完了教室,我們現(xiàn)在可以回家了嗎?finish完成;finishing現(xiàn)在分詞形式;are finished被完成,被動語態(tài)形式;have finished現(xiàn)在完成時,已經(jīng)完成。根據(jù)句意可知,我們已經(jīng)打掃完了,強調(diào)動作已經(jīng)完成。故應選D。

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