She got up ____ 6:30 in the morning.
问题描述:
She got up ____ 6:30 in the morning.
A.on B.before C.about
答
答案:B
在时刻的前面一般用介词at,但是这里没有at.before 在...之前,
句意:她早上六点半之前就起床了.