He smiled politelyMary apologized for her drunken friends.
| A． | as | B． | if |
| C． | unless | D． | though |
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 |
Kate asked the girl to ________ so that she could hear what her husband said on the phone.
| A．slow down | B．come down |
| C．settle down | D．break down |