There will be ___________pollution and ___________ trees and flowers if
we don’t try to care about the environment from now on.
A. less, fewer
B. less, more
C. more, fewer
—When did you start your math homework？
—One hour ago，but I________it yet．
| A．didn’t finish |
| B．finished |
| C．have finished |
| D．haven’t finished |
—Every year________tourists come to the island．
—________of them is about one million．
A．a number of；A number of
B．the number of；A number of
C．a number of；The number of
C．the number of；The number of
—when will A Bite of China Ⅱ begin tonight？
—It________for ten minutes．
| A．will begin |
| B．has begun |
| C．will be on |
| D．has been on |
—Have you ever________to a zoo？
—Yes，but only once．I visited Beijing Zoo last year．
| A．gone |
| B．been |
| C．visited |
| D．seen |
—The radio is too noisy and there is nothing interesting on it．Why don’t you________？
—All right．I’ll do that．
| A．turn it on |
| B．turn it off |
| C．turn it back |
| D．turn it up |