Question

【题目】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(还没回来)；have been to去了什么地方(已经回来了)。从上下文可以看出这里应该用现在完成时态。