35. _______ Tom, we wouldn’t have been late for the last bus.

A. If we didn’t wait for　　　　　　　　　　　　　 B. If we haven’t waited for

C. we hadn’t waited for　　　　　　　　　　　 D. Had we not waited for

34. ________ that I was puzzled.

A. So difficult a question did he ask me　　 B. Such difficult a question did he ask me

C. Such a difficult question he asked me　　 D. He asked me a so difficult question

33. – Are you cleaning my room?

– I can’t help _____. I can’t bear seeing people’s room in a mess!

A. it　　　　　　　　　　　　　　　　　　　　 B. this　　　　　　　　　　　　 C. anything　　　　　　　　　　　　　　　　　 D. so

32. Social networking is an important factor _______ business success.

A. devoting to　　　　　　　　　　　　　　　　 B. appealing to　　　　　　　　　

C. attaching to　　　　　　　　　　　　　　　 D. leading to