I. Complete these sentences with words which have the same roots as the words in italics

31. I appreciated Peter’s help very much, and expressed my ___________ to his parents.

32. I believe in preventing disease because ____________ is always better than cure.

33. I can’t become a member of that club yet, because ___________ is only open to people over eighteen.

34. I can’t say that work usually tires me, but this particular job is very ________ .

35. I congratulated Judy on her success, and she received ________ from a lot of other people too.

36. Thousands of people use that car park every day. __________ pay on leaving the car park.

37. I don’t like the way Peter boasts.... No, and his brother Jim is _____________ too.

38. If the ground isn’t flat enough, you can ___________ it with this.

39. If the sauce isn’t thick enough, you can ___________ it with flour.

40. If you agree on this proposal, we can prepare an _________ for signature.