1．The UK government is looking at introducing it on a __________ (volunteer) basis.
[答案] voluntary
2．__________ (freeze) fish isn't as tasty as the fresh one.
[答案] Frozen
3．Beyond the minimum __________ (require) as social beings, chimps (黑猩猩) have little instinct (本能) to help one another.
[答案] requirements
4．(2017·天津卷)We offer an excellent education __________ our students. In return, we expect students to work hard.
[答案] to
5．John offered __________ (help) her with her English, but she refused.
[答案] to help
6．All the problems put forward at the meeting require __________ (solve) in one month.
[答案] to be solved/solving
7．The young girl doesn't know what to take __________ at the university.
[答案] up
8．Those __________ (apply) for the post should take an exam.
[答案] applying
