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 Theymusthavelearnt5000Englishwordsbytheendoflastterm,

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问题详情:

 Theymusthavelearnt5000Englishwordsbytheendoflastterm,

 They must have learnt 5000 English words by the end of last term, ________?

A. haven’t they        B. didn’t they        C. hadn’t they                    D. mustn’t they

【回答】

C

知识点:疑问句 反义疑问句

题型:选择题

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