1.  You ______ drink more water — you look dehydrated.

2.  You ______ leave now or you'll miss the last train.

3.  She ______ to call her mother more often.

4.  You look ill. You ______ see a doctor.

5.  If you want to improve, you ______ practise every day. (use ought to)

6.  We ______ leave immediately or we'll miss the plane! (use had better)

7.  You should to see a doctor.

8.  You had better to hurry.

9.  He shouldn't stays up late.

1.  should

2.  had better

3.  ought

4.  should

5.  ought to

6.  had better

7.  You should see a doctor.

8.  You had better hurry.

9.  He shouldn't stay up late.