You cannot accept an opinion ________to you unless it is based on facts.
| A．offering | B．to offer |
| C．having offered | D．offered |
In much of the animal world, night is the time ______ for sleep—pure and simple.
| 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.
| 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.
| A．associate | B．dispute | C．negotiate | D．register |
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
| A．enjoys | B．involves | C．practices | D．suggests |
（2013·大纲卷）Would you like to with us to the film tonight?
| A．come along | B．come off | C．come across | D．come through |