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 SheknowssomuchaboutEngland.She      therebefore.A.must...

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问题详情:

 SheknowssomuchaboutEngland.She      therebefore.A.must...

 She knows so much about England. She       there before.

A. must be             B. must live         C. must have been         D. must have lived in

【回答】

C

知识点:虚拟语气与情态动词

题型:选择题

标签:therebeforeAmust