问题
We must find some books ______ our project. [ ]
A: in
B: of
C: on
D:for
B: of
C: on
D:for
正确答案是：
同类题型
There was a big fire in the street last night, but the firemen _______ within twenty minutes.
Your sweater looks very nice. What’s it made__________?-Wool, and it’s made__________ Guiyang.[ ]
The supermarket near my home opens at 9 every morning. It’s half past ten now, it’s _______ I think.