-- Your spoken Russian is so good. Have you been abroad?
-- Yes. I ______ in Russia for two years.
| A．stay | B．stayed | C．had stayed | D．have stayed |
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 |
When the group discussion is nearing its end, make sure to ____it with important points.
| A．conclude | B．lead | C．avoid | D．hold |