35. --I hope you can come to the dance next Saturday. ---　　　　　 　.

A. Sure, but I have to visit my grandpa.

B. Not at all. I'll be glad to.

C. I really can't agree with you; I prefer science.

D. I'm sorry, but I have to help my sister with her English.

34. The manager might not come back to the office this morning.　　　　 , we will have to cancel the meeting.

A. In any ease　　 B. In case　　　　　 C. In that case　　　 D. In ease that

33. We thought it a great risk investing in the project,but the plan　　　 well in the long term.

A. worked out　　 B. turned out　　　　 C. went out　　　 D. fell out

32. 　　　　　arriving home, he saw the letter behind the door on the floor.

A. Over　　　　　 B. In　　　　　　　 C. Upon　　　　　　 D. At

31. Cheer up. We'll spare no 　　　to help you out of all kinds of difficulties.

A. strengths　　　 B. forces　　　　 C. efforts　　　　 D. energies