题目内容
【题目】We ______ Xiao Li since she was a little girl.
A.know
B.had known
C.have known
D.knew
【答案】C
【解析】现在完成时时常与“for +时间段或since +过去时间点”连用（含从句，从句过去时）。故选C。
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题目内容
【题目】We ______ Xiao Li since she was a little girl.
A.know
B.had known
C.have known
D.knew
【答案】C
【解析】现在完成时时常与“for +时间段或since +过去时间点”连用（含从句，从句过去时）。故选C。
