---How often are the Olympic Games held？ ---_____four years.
| A．Every | B．Each | C．In | D．For |
You shouldn’t ________ your hope. Everything will be better.
| A．give up | B．fix up | C．cheer up | D．put up |
______in bed is______ for our eye .
| A．Reading, good | B．Reading, bad |
| C．Reading, badly | D．Read, bad |
The music is too loud,would you mind______?
| A．turn it down | B．turning it down |
| C．turn down it. | D．turning down it |
Some people plan to ______ a volunteer project to help the disabled children.
| A．put up | B．think up | C．set up | D．cheer up |
Pollution is a serious problem. Scientists will _______ some good ways to save it.
| A．come up with | B．come on |
| C．come out | D．come up |