—Charlie has been nowhere for three days. What has happened to him?
—Didn’t you know he had gone to Hong Kong?
A. in sight
B. in place
C. in face
D. in use
网友回答
(答案→)A. in sight
B. in place
C. in face
D. in use
解析：考察介词短语辨析。A视野之内；看得见；B恰当地；C面对；D使用中；句意：—Charlie已经三天看不见了。他怎么了？—难道你不知道他去了香港吗？根据句意说明A正确。