35.He must have finished the work by the end of last month, _______ he?　

A. mustn't

B. hadn't　　　

C. didn't

D. hasn't

34.Despite her illness, she had lost _______ of her enthusiasm for life.　

A. not anyone

B. none　

C. Nothing　　

D. not all

33. _______ the task on time, he was fired by the boss.　

A. Not completed 　

C. Not have completed

B. Not having completed　　

D. Not being completed　

32. I admit that there are problems, _______I don't agree that they cannot be solved.　

A. While

B. If

C. In case

D. Before　

31.-Why, Jack! Someone seems to have called you over there.　

-Yes? I _______ that.　

A. am not realizing　　　 　

C. didn't realize

B. haven't realized　　　

D. don't realize　

30. In order to improve English listening, _______.　

A. he bought a Walkman　

B. his father bought him a Walkman　

C. a Walkman was bought by him　

D. a Walkman was offered to him　

29. Twenty students from one high school were _______ such an experience.　

A. enough lucky to share

C. enough to share lucky

B. to share enough lucky

D. lucky enough to share

28. Sometimes I was thinking about _______ my own how I could make friends with a man who had little _______ common with me.　

A. with; in

B. in; in

C. on; on

D. on; in

27. I had walked a few steps _______ I realized that I was lost in the thick fog.　

A. unless

B. Before

C. When　　　

D. since