完形填空。 Many students talked about the rules that they have in school. At their school, they have to wear uniforms every day. The problem is that all the students think the uniforms are 1 . They think young people should look smart and so they would like to 2 their own clothes. Their teachers believe that if they did that, they would think more of their clothes than their 3 . But the students disagree. They would 4 more comfortable and that is good for studying. If they can't do that, they should be allowed to design their own uniforms. That would be a good way to keep both teachers and students happy. It's also probably a good idea for parents to allow teenagers to study in groups during the evening. Sometimes they get noisy 5 they can learn a lot from each other. They also think that vacations should be 6 . At present they're too short. Longer vacations would give them time to do things like volunteering. Last summer they had an 7 to volunteer at the local 8 , but they couldn't because they had to 9 to school. It would be a good experience 10 them because some of them want to be doctors when they grow up. (     )1. A. ugly (     )2. A. put on (     )3. A. clothes (     )4. A. fall (     )5. A. but (     )6. A. shorter (     )7. A. opportunity (     )8. A. school (     )9. A. leave (     )10. A. of B. beautiful B. wear B. study B. fell B. if B. longer B. chance B. hospital B. come B. for C. small C. in C. hair C. feel C. and C. smaller C. time C. store C. go back C. in D. smart D. do D. shoes D. felt D. so D. farther D. day D. factory D. live D. with