know 没有现在分词;know 用主动形式时只能和两个介词搭配：of, about。
known for 以…而著名。
60. i couldn’t find _a_, and so i took this one.
a a large enough coat b an enough large coat
c a large coat enough d a coat enough large
enough 修饰形容词时要放到形容词后面。
61. i always _b_ what i have said.
a get to b hold to c lead to d see to
本题所有选项中的to都是介词，其后加动词动名词的形式。
hold to 坚守，信守; see to 负责做，处理，照料(后面加的都是某件事情，不加人)
62. no sooner had we reached the top of the hill _c_ we all sat down to rest.
a when b then c than d until
no sooner … than 一…就…
63. evidence came up _c_ specific speech sounds are recognized by babies as young as 6 months old.
a what b which c that d whose
evidence 证据、sign 迹象、fact 事实，后面都要带同位语从句，且从句用that引导。
64. he moved away from his parents, and missed them _a_ enjoy the exciting life in new york. [too … to，太…而不能…]
a too much to b enough to c very much to d much so as to
65. he was _c_ of having asked such a silly question.
a sorry b guilty c ashamed d miserable
guilty adj. 有罪的; be ashamed of 因…而羞愧(不好意思)的; miserable adj. 悲惨的。
66. the last time we had a family reunion was _b_ my brother's wedding ceremony four years ago.
a in b at c during d over
ceremony n. 典礼，仪式。要表达在某典礼(仪式)上用介词at。
at the graduation ceremony 在毕业典礼上。
67. what _a_ would happen if the director knew you felt that way?
a do you suppose b you suppose c will you suppose d you would suppose
do you supposed 常做插入语。
68. _d_ the advances of science, the discomforts of old age will no doubt always be with us. [despite prep. 尽管; as for 关于，至于]
a as for b besides c except d despite
69. how close parents are to their children _b_ a strong influence on the character of the children.
a have b has c having d to have
influence on 对…造成影响，很大的影响中形容词用的是strong。
70. he _a_ when the bus came to a sudden stop.
a was almost hurt b was hurt himself c was to hurt himself d was hurting himself
hurt oneself 自残; be to + 动词原形，将要做某事;