题目内容
They ________ the Great Wall yesterday, and this is their first ________ the Great Wall.
A. visited; visit
B. visit; visit
C. visit; visit to
D. visited; visit to
答案:D
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题目内容
They ________ the Great Wall yesterday, and this is their first ________ the Great Wall.
A. visited; visit
B. visit; visit
C. visit; visit to
D. visited; visit to