—Why not have a birthday party for our mother?
—________.
| A．Good idea | B．That's all right | C．You are welcome | D．Never mind |
In our class there are 73 students, ____ half wear glasses.
| A．in whom | B．of them |
| C．in them | D．of whom |
It’s uncertain ____ the fashion show will be held next week.
| A．what | B．why |
| C．whether | D．that |
Some policemen were sent there to ________ the villagers ________ the trees.
| A．keep; cutting down | B．prevent; cutting down |
| C．prevent; to cut up | D．stop; to cut up |
______ the kids have left home , we’ve got a lot of extra space.
| A．Even if | B．Now that |
| C．In case | D．As though |
The news _____ the spaceship succeeded in returning to the earth spread everywhere.
| A．that | B．which |
| C．whether | D．what |