问题

Can you believe_little children can finish the difficult problem in_ a short time—I can’t believe it until I see it with my own eyes.

A:in
B:on
C:at
D:of;

正确答案是：

同类题型

Where is my schoolbag, mom —It’s _______ your room.

Does Mike always go on holiday together with his sister—- _________. If he has his holiday the same as she, then they go together.

Finding his iPad stolen on the bus, ________

Would you please keep silent? The weather report ______ and I want to listen

________ Jeremy was hurt in the match, he didn’t give up and finished in ninth place.