— What time do you usually get up in the morning?— _ six oclock.A. On B. For C. In D. At

— What time do you usually get up in the morning?
— _ six o'clock.
A. On
B. For
C. In
D. At

A. On B. For C. In (答案→)D. At解析：介词的考察 。On 与具体的时间连用； for 与时间段连用；in 与时间段连用； at与时刻连用

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