题目内容：

    Velma, a US high school student, is busy with her studies every day. But after school, she puts down her books and goes off to______. She takes care of cats, helps teachers at school and cleans up the beach. Why? Because students in US public schools are______to do at least 20 hours of community service in order to graduate.

“This project is to give students a______of the real world, create a habit of volunteering and perhaps_____ a career.” said Bob Parks, an official at school.

____volunteering takes time, Velma enjoys it. "I learn so much from it. she said. She plans to keep volunteering even after she has finished her required hours of work. Velma is now on her way towards 250 hours to get a silver medal at graduation. She hopes the medal will help her______her dream university.

But some have______about the project. Phil, a single parent of four, has to drive his children from one activity to another every weekend. I have no time to work and rest, he said, "But I know some kids finish their 20-hour volunteering by just sleeping in their fathers office!

Mike Roland, a volunteering manager, has heard those complains. He said, "We keep telling people, Volunteer hours are______than for graduation; they are life lessons.’’

Unlike Phil, some parents agree with the project and want their children to_____ more time volunteering. Michael, a junior, spends Saturdays at JFK Medical Centre guiding patients and bringing them newspapers and meals. He's at 258 hours. Michael ‘s father said, " Twenty hours isn’t______.Children should have more contact with the world.

1.A.relax B.volunteer C.work

2.A.invite B.requested C.required

3.A.chance B.taste C.picture

4.A.explore B.change C.invent

5.A.But B.Although C.However

6.A.realize B.accept C.enter

7.A.doubts B.experience C.agreements

8.A.rather B.more C.less

9.A.spend B.take C.pay

10.A.true B.short C.enough