35. ----Excuse me, Professor Wang. Can you spare me a few minutes?----____?

A. What's on 　B. What's up 　C. What's wrong 　D. What's more

34.The traffic was ____________by an accident.The road was crowded with cars.

A.held to　 B.held out　 C.held on　 D.held up

33. Seeing the car ______ in the snowdrift, the driver didn't know ______it.

　 A. is trapped ; how to do　　　　　　　 B. trapped; what to do with

　 C. trapping;　 what to deal with　　　　 D. which trapped; what to do

32.Tom ________me your secret,but he meant no harm.

A.oughtn't to have told　 B.ought to have told　 C.ought not tell　 D.ought to tell

31. Most of the guests ______ to the party were from Canada.

　 A. to invite　　　 B. had been invited　　　 C. invited　　 D. being invited

30. At last the driver was lost _____ whether he could be found .

　A. without anybody knew　　　　 B. with anyone knowing

　C. with　 anybody knew　　　　 　　　D. without anyone knowing

29．It is ____ great fun _____ the shoes he bought yesterday were of different sizes.　　

　　　　 A．不填;what　　 B. a ; that　　　 C.不填; that　　　 D. a ; why