1. You ____ finish your homework before you go to bed.

A. must B. have to

C. should D. ought to

2. This drink isn't beneficial for health. You ____ drink it too much.

A. should B. ought to not

C. ought not to D. mustn't

3. This warning sign indicates that you ____ step on the grass.

A. shouldn't B. mustn't

C. don't have to D. ought not to

4. I think you ____ do exercise regularly in order to keep your body in good shape.

A. must B. should

C. ought to D. Both B and C

Question

1. You ____ finish your homework before you go to bed.

A. must    B. have to

C. should     D. ought to

2.  This drink isn&#x27;t beneficial for health. You ____ drink it too much.

A. should    B. ought to not

C. ought not to    D. mustn&#x27;t

3.  This warning sign indicates that you ____ step on the grass.

A. shouldn&#x27;t     B. mustn&#x27;t

C. don&#x27;t have to    D. ought not to

4.  I think you ____ do exercise regularly in order to keep your body in good shape.

A. must     B. should

C. ought to     D. Both B and C

Accepted Answer

1. A. must
2. C. ought not to
3. B. mustn't
4. D. Both B and C