标题: 麻烦各位给解答一个问题 [打印本页] 作者: tenger 时间: 2006-9-23 18:10:05 标题: 麻烦各位给解答一个问题
有这样一道题:
You ________him so closely;you should havekept your distance. (A)
A)shouldn't have been following B)couldn't have been following
C)mustn't follow D)shouldn't follow
我认为应是D选项,答案是A,怎么也想不明白,就来这里来问问大家。
谢谢了作者: huster 时间: 2006-9-23 21:21:01