10. Watching TV much is not good ___ your eyes. A. at B. in C. with D. for 11. My father enjoys tennis after working hours. A. playing B. to play C. play D. played 12. used books is his hobby. A. Collect B. To collect C. Collecting D. Collects 13. You ought to the dentist. A. go B. going C. to go D. went 14. Yesterday the dentist filled a cavity my tooth. A. on B. with C. under D. in 15. Mrs. Quyen is a very good doctor. She sick people very carefully. A. looks for B. looks after C. looks up D. looks at 16. He felt sick after eating seafood because he to it. A. allergic B. allergically C. allergy D. allergic 17. The music night for raising funds to help poor people starts at 6.00 a.m and at 10.00 a.m. A. finishes B. finish C. finishing D. to finish 18. It me about 2 hours a day to participate in