28. It is doubtful whether the momentum of the peace movement can be sustained (A)
29. Conversations you strike up with travelling acquaintances usually tend to be trivial (D)
30. Charles Babbage's ancestor (A)
31. As she did so, her parents became the angriest (A)
32. People should eat less fat/ more exercise (A)
33. He spent a year in India and loves spicy food. The hotter/ the more and more (A)
34. Of course you can come to the party. The more the merrier (A)
35. I feel much more tired than I did yesterday. (A)
36. She is as many tired as B. (B)
37. His house is twice as big as mine. (A)
38. More people live in Ho Chi Minh City than in the whole of the rest of the country. (B)
39. It gets more and more difficult to understand what the professor has explained. (D)
40. You must drive more slowly in built-up areas to reduce the risk of an accident. (B)
41. He finds physics a hundred times more funny than other science subjects. (D)
42. The faster you drive in the city, the more probable it is that you will have an accident. (B)
43. The faster and faster/ the more probable (A)
44. I had expected possibilities (D)
45. He suffered from a broken ligament. (D)
46. The food is the hottest/ the most (D)
47. His house is twice as big as mine. (A)
48. More people live in Ho Chi Minh City than in the whole of the rest of the country. (B)