题目内容
We knock _____people’s doors, and they usually give us some candy _____ a treat.
A. on, to B, at, to C. on, as D. on, on
【答案】
C
【解析】略
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题目内容
We knock _____people’s doors, and they usually give us some candy _____ a treat.
A. on, to B, at, to C. on, as D. on, on
C
【解析】略