1.Though he is smart , he doesn't study well at school.
2.Despite the good review , it didn't attract lots of audience.
3.Although he was good at that job , he wasn't given the position.
4.The horror film was very frightening to us.
5.They are shocked about his dead.
6.If you don't pass the entrance exam , you won't enter the high school.
Unless you pass the entrance exam , you won't enter the high school.
7.If people didn't throw the untreated garbage into the river , it wouldn't be very polluted.
8.If my dad didn't work in a very noisy factory , he wouldn't have a hearing problem.