问题

We are required to________ our papers this afternoon. [ ]

A: hand out of
B: hand in
C: hand on
D: hand over

正确答案是：

同类题型

下列各句中，没有语病的一句是

After he got in touch with the Red Cross, Mr. Green ______ helping homeless women and children to a safe place.

Experts have been warning________of the health risks caused by passive smoking.[ ]

Do you like watching the NBA matches —No, but I _______ Yao Ming when I was a little boy.

Who will go to America this summer, you or your brother—_________. We will go to Hainan together.