____________ with the efforts that the students made, all the teachers nodded and smiled.
| A．Satisfying | B．Having satisfied |
| C．Satisfied | D．To be satisfied |
If you are in trouble，Mike is always willing to________a hand. (2013·天津，2)
| A．lend | B．shake |
| C．wave | D．want |
My uncle hasn’t been able to quit smoking，but at least he has ________.(2013·陕西，25)
| A．cut out | B．cut down |
| C．cut up | D．cut off |
In much of the animal world，night is the time________for sleep—pure and simple.
(2013·湖北，26)
| A．set aside | B．set down |
| C．set off | D．set up |
Butterflies________a sweet liquid produced by flowers，which bees and other insects collect. (2013·湖北，25)
| A．carry on | B．feed on |
| C．put on | D．focus on |
According to the law，all foreigners have to________with the local police within two weeks of arrival.(2013·湖北，24)
| A．associate | B．dispute |
| C．negotiate | D．register |