组卷网 > 高中英语综合库 > 单词辨析 > W > what
题型:单项选择 难度:0.65 引用次数:167 题号:4364006
An opinion is _____ someone believes is true but has not been proved.
A.thatB.what
C.whichD.whether
15-16高三·全国·单元测试 查看更多[8]

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