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题目内容
（大学英语（1））
A: What time does the post office open ________ the morning?
B: It opens ________ 8:00.
A)
on … from
B)
at … between
C)
in … at
B: It opens ________ 8:00.
A)
on … from
B)
at … between
C)
in … at
参考答案