87 b) become
88 a) on
89 d) may
90 a) In / at
91 b) at
92 b) finish
93 c) at / in
94 a) must
95 b) in / in
96 b) can't
97 a) in
98 c) came
99 d) can
100 go, do
101 think, think
102 want, break
103 go
104 need, need
105 play
106 can
107 out
108 should speak slowly