问题描述：
一道介词搭配题(选择题),字典错了?
Could you drop in ( ) your uncle's on the way home?
A.at B.on C.to D.for
字典里说drop in on是顺道拜访的意思.怎么用在这里不对?
Could you drop in ( ) your uncle's on the way home?
A.at B.on C.to D.for
字典里说drop in on是顺道拜访的意思.怎么用在这里不对?
问题解答：
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