一、词性转换
1. Society even praises "burning the candle at both ends" as a sign of our (devote) to work and family.
2. Foods are properly cooked when they are heated to kill the (harm) bacteria that cause food-borne illnesses.
3. The prices of vegetables are reported to have a (tend) to increase in some cities.
4. As a good leader, she was always (tolerate) towards different views.
5. Every employee of the company is required to solve the problems (effect).
6. My neighbor is as (energy) as a young man and dislikes sitting around doing nothing all day.
7. Try to understand what's actually happening instead of acting on the (assume) you've made.
8. Because of his family's Jewish background, they were sent to live in the (concentrate) camps.
9. Determining where we are in relation to our surroundings remains an essential skill for our (survive).
10. Regular physical tests can (strength) people's health consciousness.

一、1. devotion 2. harmful 3. tendency 4. tolerant
5. effectively 6. energetic 7. assumption
8. concentration 9. survival 10. strengthen

二、用适当的介词、冠词或代词填空
1. We offer an excellent education to our students. return, we expect students to work hard.
2. Kennedy Space Center Official Guide App is available free in both the App Store and Google Play.
3. moment she returned to the United States, she successfully founded the American Red Cross.
4. —When shall I call, in the morning or afternoon?
—. I'll be in all day.
5. The house has been in charge of Mr Bell for more than a year.
6. The Internet enables us to exchange ideas many others to check our claims and to judge our actions.
7. The manager wants an assistant with little knowledge of French and experience of office routine.
8. Recycling is one way to protect the environment; reusing is .
9. Zhang Jie is failure as a play performer, so she is suggested that she turn to something different.
10. never occurred to me that you could succeed in persuading him to change his mind.

二、1. In 2. for 3. The 4. Either 5. the 6. with
7. a 8. another 9. a 10. It