59. As a cause of death, cancer is second only heart disease.
A) from C) with
B) of D) to
60. They took measures to prevent poisonous gases from escaping.
A) beneficial C) effective
B) fruitful D) valid
61. Doing your homework is a sure way to improve your test scores, and this is especially true it comes to a classroom test.
A) when C) before
B) since D) after
62. People in many developing countries are into overcrowded cities in great numbers.
A) filling C) hurrying
B) pouring D) breaking
63. The sports meet, originally due to be held last Sunday, was finally because of the bad weather,
A) worn off C) broken off
B) set off D) called off
64. The children can stay here they don't make too much noise.
A) in case C) provided
B) until D) so far
65. I would have told him the answer had it been possible, but I so busy then.
A) were C) was
B) had been D) have been
66. During the storm we took in the doorway of a shop.
A) rescue C) shelter
B) comfort D) guard
67. in the last century when people crossed the land bridge and attempted to live in this place.
A) There have been times C) Times have been
B) There was a time D) Times were
68. one race is more intelligent than another race has never been proven.
A) Which C) What
B) How D) That
69. A man who has a lot of money does not share it, is not worthy of respect.
A) thus C) although
B) yet D) indeed
70. I blind that I couldn't see what a fool he was.
A) must have been C) would have been
B) might have been D) should have been
71. You can see the ceiling is stained the rain came through.
A) for C) where
B) because D) when
72. It was not until later in the afternoon she was able to return to the radio.
A) so C) when
B) thus D) that
73. he realized it was too late to return home.
A) Hardly it grew dark than C) Scarcely it grew dark than
B) It was not until dark that D) No sooner it grew dark when
74. You such a long essay. The teacher only asked for 300 words, and you have written 600.
A) needn't have written C) had written
B) mustn't have written D) wrote
75. I have not found my book yet. I'm not sure I could have done with it.
A) what C) how
B) whether D) where