3.3He didn't know whether she is going to speak at the meeti

问题描述:

3.3He didn't know whether she is going to speak at the meeting.
is错了应该改为 为什么
1个回答 分类:英语 2014-09-23

问题解答:

我来补答
is应该改成was
主句是过去式,所以从句也要用过去式
 
 
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