–Hi,Tom,Youlooktired. --Yes,I

問題詳情：

 –Hi, Tom, You look tired.  --Yes, I _____________ the room all the afternoon.     A. painted      B. had painted     C. have painted     D. have been painting

【回答】

D

知識點：現在完成進行時及其被動式

題型：選擇題