We all know that, __________, the situation will get worse．
| A．not if dealt carefully with | B．not if carefully dealt with |
| C．if dealt not carefully with | D．if not carefully dealt with |
In front of me __________, where many athletes from all over the world will compete for Olympic gold medals.
| A．stands the Water Cube |
| B．stand the Water Cube |
| C．the Water Cube stands |
| D．does the Water Cube stand |
It is desirable that atomic energy should be used for __________ purpose.
| A．grateful | B．thankful |
| C．peaceful | D．cheerful |
—Hi, Tracy, you look tired.
—I'm tired. I __________ the living room all day.
| A．painted |
| B．had painted |
| C．have been painting |
| D．have painted |
Zhu Zhiwen __________ from a poor countryside finally had a chance to show his talent at the Spring Festival Gala.
| A．came | B．to come |
| C．coming | D．comes |
Some researchers are finding that daydreaming may be important to __________ mental health. Daydreaming, they say, is __________ good means of relaxation.
| A．the; / | B．/; the | C．/; / | D．/; a |