问题
选择题
— Have you ever been here before?
— This is the second time I________to the Great Wall.[ ]
A. comes
B. have been
C. came
D. had come
答案
答案：B
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— Have you ever been here before?
— This is the second time I________to the Great Wall.[ ]
A. comes
B. have been
C. came
D. had come
答案：B