Only ________ of the students come to school by bus.
| A．three fifth | B．third fifths |
| C．three fifths | D．third fifth |
—What ______ the number of the students in your school?
—About two thousand. A number of them _____from England.
| A．is; are | B．is; is |
| C．are; is | D．are; are |
Why not ______ your teacher for help when you can’t finish ______it by yourself?
| A．ask; write | B．to ask; writing |
| C．ask; writing | D．asking; write |
There is going to be a wonderful party __ the evening ___October 1st, 2009.
| A．in, of | B．on, on |
| C．on, of | D．for, on |
My son want a pet rabbit for long, but I have no time to buy ______ for him.
| A．it | B．that | C．the one | D．one |
We have two rooms _______, but I can’t decide ________.
| A．to live in, to choose which one | B．lived, choose which one |
| C．to live in, which one to choose | D．live, which one |