35. When first __________ to the market, the computer software was not a success due to its complexity in operation.

A. introducing　　　　 　　　　　　　　　　　　　　　　　　　　　 B. being introduced　　　　　　　

C. introduced　　　　　　　　　 　　　　　　　　　　　　　　　　　 D. to be introduced

34. Being able to communicate with native speakers built my self-confidence, ______ encouraged me to continue in my English study.

　　　 A. which　　　　　　　　　 B. that 　　　　　　　　　　 C. it　　　　　　　　　　　　 D. what 　　　

33. ______has recently been done to improve the taxi service, we still get a lot of complaints about it.

A.In spite of what 　　　　 B.Even what　　　　　　　　 C.Though what 　　 　　　 D.What

32.　 -The weather is changeable here.Please take more clothes.

-________.

A.OK, just in case　 B. Well,it just depends.　　 C.It’s up to you.　 D.Out of the question.

31.　 Not until all the fish died in the river __________how serious the pollution was.

A. did the villagers realize　　　　　　　 B. the villagers realized

C. the villagers did realize　　　　　　　 D. didn’t the villagers realize

30.　 Fonder is _______ that Hollywood film star.

A.as a beautiful girl as 　　　 　　　　　　　 B.as beautiful a girl as

C.as beautiful as a girl as 　　　　　 　　D.as beautiful a girl like