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