Stress can be extremely damaging to your health Exercise, _, can reduce its effects

－ Father, you promised! － Well, _______. But it was you who didn’t keep your words first. [ ]

. You had better take enough money with _________while you ___________.

Is Jack still asleep in class—I think he _______ be criticized if he goes on withit

Tom very hard to learn maths, but he was still not good at it.