1. Like many famous scientists, Li Siguang __________ (致力于) himself to the study of science.
2. __________ (医疗的) workers are badly needed in those earthquake-hit areas.
3. I don't think the watch gives you good __________ (价值) for your money.
4. The tourists had no ___________ (选择) but to wait for the next train.
5. How are you going to ___________ (证明) that it is very difficult for giant pandas to survive in the wild?

1. He is really a _______(焦急的) because he lost his favorite book.
2. M_______ (医疗的) workers are badly needed in those earthquake-hit areas.
3. We had a class meeting and all of us a_______ (同意) to have a picnic.
4. It is impolite to l_______ (笑) at other's mistake.
5. Mike usually stays up late at night and is often s_______ (困倦的) in class.

1. I don't think the watch gives you good __________(价值) for your money.
2. The tourists had no __________(选择) but to wait for the next train.
3. -Have you read today's morning paper?
    -Not yet. What's the __________(最新的) news about the hand-foot-mouth disease'?
4. -Our class has won the first place of the __________(友谊) basketball match.
    -Congratulations. I was impressed by the __________(表演) of your team.
5. We should make our hometown a more __________(自然的) environment to let more people come.
6. Her English teacher's words have __________(激励) her a whole life.
7. They spent a whole day finishing the __________(必要的) job.
8. __________(医疗的) workers are badly needed in those earthquake-hit areas.