When do you usually get up every day?_______about 6:00 a.m.A.At B.On C.In D.For

问题描述:

When do you usually get up every day?_______about 6:00 a.m.A.At B.On C.In D.For

When do you usually get up every day? (At)about 6:00 a.m.
选A.At

A.
在具体的时间点应该用介词at.