To live a green life, we try_________ more energy and produce less pollution.
| A．to save | B．save | C．saves | D．saved |
The boy looks nice ______ white and the red sweater looks good ______ the girl .
| A．with; on | B．in; on | C．on; in | D．in ; with |
--- ______ your English teacher ______ you?
---Yes, but he still encourages me to try my best.
| A．Does; strict with | B．Does; strict in | C．Is; strict with | D．Is; strict in |
It is clever ______ you ______ out the problem.
| A．for; to work | B．of; working | C．for; working | D．of; to work |
Tony has much difficulty ______Chinese , so he often asks me for help .
| A．understand | B．understands | C．understanding | D．to understand |
______ people were found ______ after that earthquake.
| A．A number of; died | B．The number of; died |
| C．A number of; dead | D．The number of; dead |