Question

【題目】Mr. Brown is not at home. He to the library. ( )

A. has goneB. has beenC. had beenD. had gone

Answer 1

【答案】A

【解析】

have gone to…去什么地方(還沒回來)；have been to去了什么地方(已經(jīng)回來了)。從上下文可以看出這里應(yīng)該用現(xiàn)在完成時(shí)態(tài)。