问题

I often go to school _________ 7:30 _________ the morning. [ ]
A: in; in
B: in; at
C:/T
D:at; on
B: in; at
C:/T
D:at; on
正确答案是:
同类题型
Not onlygood about helping other people, but I get to spend time doing what I love to do. [ ]
Is this_____football, boys?——No, it is not.
I can’t connect my computer to the Intemet. There must be ______ wrong with it.
The average temperature this year is _______ that of last year.
There is a brook ____ red flowers and green grass ___ both sides. [ ]