题目内容
She must have sold her cotton to Mr Liu last Sunday, ________?
[ ]
|
A.hasn't she |
B.mustn't she |
|
C.didn't she |
D.can't she |
答案:C
提示:
提示:
|
must表示推测的句子变反意疑问句时需使用主要动词的助动词,而不使用can't. |
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