–Whydoyoulooksoupset?  –Theelectricitywascutoffsuddenl...

問題詳情：

 –Why do you look so upset?

   –The electricity was cut off suddenly and my essay _______ unfinished since.

A. was left        B. has left          C. left                    D. has been left

【回答】

D

知識點：現在完成時及其被動式

題型：選擇題