15. About one-fifth of the American population volunteer work each year.
A. do B. does C. make D. makes
16. To help people with transportation, we can rides to the elderly.
A. ask B. give C. donate D. help
17. Doing volunteer work can you feel more confident.
A. do B. make C. bring D. force
18. Stay outdoors and do physical exercises.
A. more - less B. less - less C. more - more D. less - more
19. There are many reasons it is important to have a hobby.
A. for B. why C. so D. because
20. I don’t think it is difficult to my hobby because I love it very much.
A. take B. go C. have D. follow
21. Don’t read or study when there is not enough light because it is to your eyes.
A. harm B. harmful C. harmless D. unharmed
22. He had a cold he didn’t wear warm clothes in the cold weather.
A. and B. or C. because D. although
23. We should help people , especially the homeless, the elderly and street children .
A. needed B. need C. at need D. in need
24. I think you should jogging because it is very useful for your health.
A. take B. to take C. take up D. take in
25. My aunt often money to charitable organizations to help street children and the homeless.
A. makes B. does C. donates D. send