Unit 2第六题答案
76、In order co get to/reach/arrive m school on time
77、used to be, is satisfied with
78、has made a great difference to people's everyday life.
79、practising speaking English; As a result
80、if/whether his parents were strict with him
Unit 2第七题答案
81、worlds
82、Height
83、Special/Main
84、feelings
85、feelings
86、Learning/Remembering/Knowing
87、Steps./Ways
88、itself
89、Taking
90、Use
Unit 2第八题答案
91、play
92、mainly
93、dangerous
94、hospitals
95、improve
96、with
97、sweeping
98、what
99、friends
100、advice
Unit 2第九题答案
略