问题

We usually play sports _______three hours every day.[ ]
A: for
B: in
C: of
D:at
B: in
C: of
D:at
正确答案是:
同类题型
I have a watch here. It says 1:58.
Your father was worried about something this morning. Why?— He wondered .
Jim, Do you know ________ last Sunday?—She went to the theatre with her friends.
I don’t know he tomorrow. I think if he, I’ll go to see him.
He lives to Joy, and in the factory he workswith her as well.