1.= It is bad for your health to eat too much ice cream.
2.= What should he do for a few nights?
3.= I think you are supposed to exercise a lot to stay/keep healthy/fit.
也可以把should换写成ought to.
4.What does she never do when she feels tired?
1.= It is bad for your health to eat too much ice cream.
2.= What should he do for a few nights?
3.= I think you are supposed to exercise a lot to stay/keep healthy/fit.
也可以把should换写成ought to.
4.What does she never do when she feels tired?