Time passed quickly and three weeks went by --- we knew it.

问题描述：

Time passed quickly and three weeks went by ___ we knew it.
A.before B.after C.when.D.till
Which one?Why?
1个回答 分类：综合 2014-09-18

问题解答：

我来补答
A
时光飞逝,三个礼拜在不知不觉中就过去了（既然不知不觉,当然是before we knew it),而且这种说法经常有的.：）
 
 
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