STUDY HARDER OR YOU WON’T PASS THE EXAM.A. IF YOU DON’T STUDY HARD...

53. Study harder or you won’t pass the exam.

a. If you don’t study harder, you won’t pass the exam.

b. Unless you study harder, you will fail the exam.

c. If you don’t study harder, you will fail the exam.

d. If you don’t pass the exam, you will have to study harder.