My mother ofter gets up( )six twenty ()the morning.a:at,at,b:at,in,c;in,in.d:in,at.

问题描述:

My mother ofter gets up( )six twenty ()the morning.a:at,at,b:at,in,c;in,in.d:in,at.

B
具体时刻前加at,不是特定的早上/下午等前加in.