33. A. search B. look for C. look into D. defend
32. A. Instead B. Therefore C. But D. So
31. A. He B. This C. That D. It
30. A. a shark B. a mouse C. water D. some noise
29. A. jumping and singing B. waving and shouting
C. crying and speaking D. screaming and whistling
28. A. every time B. once C. one day D. sometimes
27. A. by B. for C. on D. with
26. A. bought B. found C. lost D. repaired
25. A. a week B. hours C. minutes D. seconds
24. A. driving B. sailing C. pushing D. pulling