9. She came _____ with a new idea for increasing sales. A. in B. on C.to D. up 10. He agreed_______ our suggestion. A. of B. to C. in D. for 11. They _____ talk in the library. A. mustn’t B. don’t have to C. shouldn’t to D.needn’t to 12. He ______ wear a suit to work but he usually does. A. doesn’t have to B. mustn’t C. have to D.must 13. _____ not ask Kate to go with you? A. When B. Why C. What D. Who 14. I asked Sara ______ me to the station. A. drive B. drives C.to drive d.driving 15. Her parents won’t let her_______with her friends. A. go out B. goes out C. to go out D.going out 16. From the tower, they looked down on the city________ . A. above b. beneath C.over D.next 17. Our lives depend on _____. A. electric B. electricity C.electrically D.electrical 18. Lan was born ______2006. A. in B. on C. at D by 19. When he was young, he __________ fishing with his brother. A. uses to go B. used to go C. was used to go D. is used to going 20. They came here __________ 8 a.m and 9 a.m. A. at B. before C. after D. between