题目内容
She knows so much about
A. must be B. must live
C. must have been D. must have lived in
C
解析: 从句意看,应该用must have done结构,由于地点副词前一般不能使用介词,因而选C。
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题目内容
She knows so much about
A. must be B. must live
C. must have been D. must have lived in
C
解析: 从句意看,应该用must have done结构,由于地点副词前一般不能使用介词,因而选C。