32. you cannot be _b_ careful when you drive a car.
a very b too c so d enough
cannot too 在…也不为过，越…越好。
34. every man in this country has the right to live where he wants to _a_ the color of his skin. [regardless of 不管，不顾]
a regardless of b in the light of c by virtue of d with the exception of
35. housewives who do not go out to work feel they are not working to their full _b_.
a strength b capacity c length d possibility
strength n. 力量，体力，实力; capacity n. 才能，才智(能力方面)。
38. the old couple decided to _c_ a boy and a girl though they had three of their own.
a adapt b bring c adopt d receive
39. the government is trying to do something to _d_ better understanding between the two countries.
a raise b increase c heighten d promote
promote better understanding 增进理解。
40. the newspaper did not mention the _a_ of the damage caused by the fire.
a extent b level c range d quantity
extent作核心名词，表示到…程度了，介词用to。
41. the soldier was _a_ of running away when the enemy attacked.
a accused b charged c scolded d punished
be accused of 被指控，被职责; be charged with 被指控。
42. had he worked harder, he _d_ the exams.
a must have got through b could get through
c would get through d would have got through
had he worked harder (虚拟语气) = if he had worked harder …
与过去事实相反用：情态动词 + have + 动词的过去分词。
45. it seems oil _b_ from this pipe for some time. we'll have to take the machine apart to put it right.
a had leaked b has been leaking c leaked d is leaking
for + 一段时间，做时间状语，谓语动词用完成时态。过去完成时要与一般过去时搭配。
46. when he arrived, he found _c_ the aged and the sick at home.
a nothing but b none other c none but d no other than
形容词前加the表示一类人。 none but 只有，仅有。
47. the pressure _b_ causes americans to be energetic, but it also puts them under a constant emotional strain.
a competing b to compete c to be competed d having competed
the right to vote 选举权。 动词不定式作后置定语要用主动形式。
the pressure to compete 竞争的压力。
49. as teachers we should concern ourselves with what is said, not what we think _c_.
a have to be said b must say c ought to be said d need to say
50. once environmental damage _a_, it takes many years for the system to recover.
a is done b is to do c does d has done
51. studies show that the things that contribute most to a sense of happiness cannot be bought, _b_ a good family life, friendship and work satisfaction.
a as for b such as c in case of d in view of
contribute to 对…做出贡献。
52. he will agree to do what you require _d_ him.
a for b from c to d of
require sth. of sb. 要求某人做某事。
53. the mere fact _a_ most people believe nuclear war would be madness does not mean that it will not occur.
a that b which c what d why
fact后面要加同位语从句。
54. john seems nice person. _c_, i don't trust him.
a even though b therefore c even so d though
even so 即便如此，尽管如此。
55. i don't think it advisable that tom _a_ to the job since he has no experience.
a be assigned b will be assigned c is assigned d has been assigned
advisable后面加句子要用虚拟语气，形式为：(should)+ 动词原形。
56. _d_, a man who expresses himself effectively is sure to succeed more rapidly than a man whose command of language is poor.
a other things to be equal b were other things equal
c to be equal to other things d other things being equal
b项如果不省略if应为：if other things were equal
如果从句用虚拟语气，主句也必须用虚拟语气形式。
other things being equal 在这里是独立主格做条件状语。
57. _c_ that my head had cleared, my brain was also beginning to work much better.
a for b since c now d despite
注意以下三个后面加句子的表达形式：
1 in that 由于，因为; 2 now that 既然，由于; 3 except that 除了…之外。
59. by 1929, mickey mouse was as popular _b_ children as coca-cola.
a for b with c to d in
be popular with + 人的群体 受…欢迎。
60. because edgar was convinced of the accuracy of this fact, he _a_ his opinion.
a stuck to b strove for c stuck at d stood for
be convinced of 深信，确信; stick to 坚持; strive for 力求，拼命争取。
don’t strive for perfection. 不要凡是都力求达到完美状态。