Follow your teacher’s advice, __________ you will catch up with your classmates.
Many people have come to realize they should go on ________ diet and make room for ________ exercise.
---What’s that terrible noise?---The neighbors ____for a party.
- I probably shouldn't have any more cake.-Oh, . It won't kill you.
—Where did you English ?—When I was in college .
— These days I can only sleep for four or five hours at night as I’m too busy with my research work..— If you keep going on like that, you are sure to ______ sooner or later.