1 . Catherine, set the alarm clock for 6 o’clock, ______you would oversleep and be late for the train. (用适当的词填空)

2 . Before you quit your job, ___________（consider）how your family would feel about your decision.

3 . Follow your doctor’s advice, ____________ your cough will get worse.

4 . Read this story, ________ you will realize that not everything can be bought with money.（用适当的词填空）

5 . You used to go to work by bus, _________ you?