组卷网 > 高中英语综合库 > 语法 > 词法 > 情态动词 > 情态动词+have done > must have done的用法
题型:单项选择 难度:0.65 引用次数:735 题号:1969910
—Did Ann fail in English?
—She ________. Don't you notice that she looks depressed?
A.mightB.must
C.may haveD.could have
2014高三·全国·专题练习 查看更多[3]
【知识点】 must have done的用法

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