39. A. prove　 　　　　　 B. realize　 　　　　 C. remember　 　 D. suppose

38. A. holiday　　　　　　 B. meeting　　　 　　 C. school 　　　 D. camp

37. A. took　　 　　　　　 B. paid　　　　　　 　　 C. spent　　　　　 　 D. afforded

36. A. life　　　 　 　　　　　　B. Internet 　　　　 C. world　 　　　 D. letter

34. The killer whale, _______ a certain kind of fish, is one of the most dangerous mammals living in the sea.

A. feeds on　　　　　　　　　 B. fed on

C. feeding on　　　　 D. having fed on

33. The farmer _______ the sheep on the grassland in order to feed them.

A. rounded up　 　　　　 B. drove up　

C. picked up　 　　　　　　　 D. looked up

32. Dressed untidily and speaking in a strange way, Father must have _______　 to be a silly old man to the people present.

A. shown B. pretended　 C. appeared　　　　　 D. thought

31. He said that everyone involved in the matter should be punished, and this is _______ I disagree.

A. which B. where　 　 C. what 　　　　　　　 D. how

30. The economic crisis _______ first in the United States.

A. broke off　　　　　　　　 B. broke down

C. broke out　　　　　　　　 D. broke up