41.to eat

42.to look

43.was

44.to discuss

45.explaining

46.to think

47.playing

48.to not go

49.swimming

50.buying

31 I couldn’t possibly afford (eat) _____to eat_______ in that restaurant.

32. The college principal promised (look) _____to look_______ into the matter.

33. They built a wall to avoid soil (be) ____was________ washed away.

34. He flatly refused (discuss) _____to discuss_______ the matter.

35. Would you mind (explain) _____explaining_______ that again?

36. I was beginning (think) _____to think_______ you’d never come.

37. I enjoy (play) ______playing______ tennis and squash.

38. We’ve decided (not go) _____to not go_______ away after all.

39. I didn’t fancy ( swim) _____swimming_______ in that water.

40. We’re considering (buy) ____buying________ a new car.