Find one word or phrase(A, B, C or D) that must be changed in order for the sentence to be correct

36. It was (A) disappoiting that almost of (B) the guests (C) left the wedding too early (D).

37. He has a great deal of (A) books most of (B) which are (C) on (D) science and technology.

38. John had made several spelling mistake (A) in his assignment so (B) he didn’t get (C) good marks (D).

39. In the early days of (A) the development (B), cars used a large number (C) of fuel, and now cars are (D) more economical.

40. A number of the participants (A) in the survey was 250 students (B) for Oxford (C) University (D).

41. He had smoked so a lot of (A) cigarettes (B) that (C) he died of (D) cancer.

42. There is (A) only a few (B) food for dinner. I think you should buy (C) some more (D) to eat.

43. Although (A) Mary has been (B) inViet nam for 10 months (C), she knows a little (D) Vietnamese.

44. There is (A) too many (B) bad news (C) on TV (D) tonight.

45. My friends can’t buy these (A) jackets because (B) they (C) cost too many (D).

47. Because they had spent too many (A) time considering (B) the new contract, the students lost the opportunities (C) to lease (D) the apartment.

48. Some (A) the plants in this store require (B) very little (C) care, but this one (D) needs much more sunlight than the others.

49. The company has (A) so a little (B) money that (C) it can hardly operate (D) any more.