I wonder ---- you have finished all your homework or not.A.t

问题描述:

I wonder ____ you have finished all your homework or not.A.that B.weather C.if D.whether
刚刚考完试这道题不确定到底用whether还是用if
1个回答 分类: 英语 2014-10-08

问题解答:

我来补答
whether or not是固定短语
用whethe
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