There is such an occasion ___________ we know lots of words, but we can’t choose a suitable one to ...
2023-02-12 12:01:40 73次 河南省郑州47中2010年高考考前模拟 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
There
is such an occasion ___________ we know lots of words, but we can’t choose a
suitable one to express ourselves．
A．where
when C．which
D．what
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