精英家教網 > 高中英語 > 題目詳情
— Why do you look so worried?
—My computer broke down and my essay ______ unfinished since.
A．had leftB．has leftC．has been leftD．was left
C

試題分析：上文意思是“你為什么看起來這么為難？”，下文意思為“我的電腦壞了，我的散文還沒有寫完”，表示過去的某一動作或行為一直持續(xù)到現在，所以用現在完成時，又因為 “ essay”與“l(fā)eave”是被動關系，故用現在完成時的被動語態(tài)，故選C。 
點評：解答此類時態(tài)題，一定要把題目讀完整，理解意思后，具體問題具體分析，選擇合適的時態(tài)。時間狀語也是一個很好的判斷依據。
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