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。
48. it's no use _b_ me not to worry.
a you tell b your telling c for you to have told d having told
it's no use + 动名词。 动名词的复合结构，宾格（形容词性物主代词）+ 动名词。
52. if it _a_ too much trouble， i'd love a cup of tea.
a isn't b wasn't c weren't d hadn't been
一般日常用语，用一般时。
56. she was glad that her success would ___ for the women who would follow.
a make things easier b make it easier c be easier d be easier to make
make for 导致，促成;朝某个方向前进，走向那里。
不要选有代词指代不明的选项。 a项中的things指的是境况，境遇。
60. we object _c_ punishing a whole group for one person's fault.
a against b about c to d for
68. the newest satellite can _a_ a thousand telephone conversations and a color tv program at the same time.
a carry b extend c bring d take
carry vt. 传送，传输; extend vt. 延伸，延续（extend to 延伸到，延续到）。
fetch vt. 去拿来，去请来，去叫来; fetch water 打水。