二、单项填空(共15小题;每小题1分,满分15分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 21. Luke is so ______ that he thinks he can do anything if he tries his best. A. modest B. confident C. honest D. curious 22. If our parents do everything for us, we will never learn to depend on ______. A. themselves B. them C. us D. ourselves 23. The little boy lost his ______ and had a bad fall when he was running after the pet dog. A. balance B. interest C. way D. weight 24. —Is it possible for me to learn physics very well if I work hard? —Sure. No subject can be learned well ______ hard work. A. with B. through C. by D. without 25. —My parents are crazy about Running Man. How about your parents? —______ my dad ______ my mum likes it. Instead, they prefer The Voice of China. A. Neither; nor B. Both; and C. Either; or D. Not only; but also 26. —To get a better grade, you should ______ the notes again before the test. —Thanks. I will. A. come over B. go over C. tum over D. fall over 27. We all believe that the environment in our town ______ greatly if we work together. A. has improved B. improved C. is improved D. will be improved 28. Find ways to praise your friends often, ______you’ll find they will open their hearts to you. A. till B. or C. and D. but 29. The “less” in the words “careless” and “hopeless” means “______”. A. very B. most C. not D. more 30. —Do you enjoy yourself in th