题目内容
They ________ the Great Wall yesterday, andthis is their first________ the Great Wall.
A. visited; visit to B. visit; visit
C. visit; visit to D. visited; visit
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题目内容
They ________ the Great Wall yesterday, andthis is their first________ the Great Wall.
A. visited; visit to B. visit; visit
C. visit; visit to D. visited; visit