As more and more restaurants join "clear your plate" campaign, people are encouraged _______ food any more.
| A．not waste | B．not wasting | C．not to waste | D．not wasted |
I was out of town at that time, so I didn't know exactly_____.
| A．what it was happening | B．how it happened |
| C．what to happen | D．how did it happen |
It may not be a good idea. But before ____is put forward, we'll make do with it.
| A．a good one | B．a better one |
| C．the best one | D．a best one |
—Remember, boys and girls. ______ you work, ______ result you will get.
| A．The better; the harder | B．The harder；the better |
| C．The harder；the worse | D．The harder；the best |
There is ______with your camera. Why not have it________ ?
| A．nothing wrong; repaired | B．nothing wrong; repair |
| C．something wrong; repaired | D．something wrong; repair |
______of the students in our class______ able to play computer games well.
| A．Two-fifths; are | B．Two fifth; is |
| C．Second fifths; are | D．Two five; are |