10. I feel very happy because I can a difference in our community. A. do B. make C. bring D. take 11. We many toys for street children so far. A. do B. have done C. make D. has been 12. In the United States, almost everyone, at one time or another, a volunteer. A. be B. are C. have been D. has been 13. Wear a hat you’ll get sunburnt. A. and B. or C. but D. so 14. Working hard and doing a lot of exercise helps you bum the calories easily. A. more B. less C. most D. the most 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 22. He had a cold he didn’t wear warm clothes in the cold weather. A. and B. or C. because D. although 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