Question

--Hi, Tracy, you look tired.

   --I am tired. I__________ the living-room all day.

A.painted                        B. have been painting    

C. had painted                    D. have painted

Answer 1

B

解析:

本題是對動詞時態的考查。解此題的關鍵是抓住答語中的aⅡday，而D項只表示動作已經完成，沒有強調一直做。