61. stickto
62. taketo
63. turnout 生产/证明是
64. asheet of paper
65.throw/cast light on 使明白/阐明
66.response/ reply/ key/ attitude/ approach/ answer/introduction/access /exposure /objection+to
67.interfere in干涉
68.interfere with妨碍
69. Whatif? 陈述语序
70. beaccustomed to/
71. adhereto
72. abideby
73.cooperate with
74. conform to
75.dispose of
76.apology to sb for sth。
77. bethankful to/be grateful to sb
78.restrain/ keep/ prevent /restrict /stop /protect /prohibitsb
fromsth/doing sth
79.specialize in sth/doing sth。
80. queueup