发布时间: 2016年03月17日
词汇选项
But he was stopped by U.S. customs officials ______ 4 hours after entering the country when those officials couldn't get fingerprints from the man.
A.with
B.in
C.for
D.to
【正确答案】C
【答案解析】for 表示时间上“达到”,for 4 hours 意为“长达四小时”。