问题
选择题
---How long have you been here?
---Only about three minutes. Xiaoming and Mary _____here with me.[ ]
A. walk
B. have walked
C. had walked
D. walked
答案
答案：D
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---How long have you been here?
---Only about three minutes. Xiaoming and Mary _____here with me.[ ]
A. walk
B. have walked
C. had walked
D. walked
答案：D