where is lucy?she is waiting_________the post office.A.at B.for C.from D.to横线应该填什么?为什么?

问题描述:

where is lucy?she is waiting_________the post office.A.at B.for C.from D.to
横线应该填什么?为什么?

A
at the post office 在邮局
有不明白的地方再问哟,更上一层楼!