exo 7: a) on the night before, she went to a night club.
b) the evening before, she quarreled with her boyfriend
c) One day before, she fought with a fan
d)ten days before, she insulted a journalist.
exo 8: a) he had never piloted a plane before
b) he had not learn any Chinese before
c) he never took part in an election before
d) the toddler never made a phone call before
