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(duì)動(dòng)詞時(shí)態(tài)的考查。解此題的關(guān)鍵是抓住答語(yǔ)中的aⅡday，而D項(xiàng)只表示動(dòng)作已經(jīng)完成，沒有強(qiáng)調(diào)一直做。