1.should
2.need
3.mustn't
4.mustn't
5.should
1 . You should go in for sports.
2. I need to go to swimming to exercise my leg.
3. Children mustn't eat junk food.
4. You mustn't arrive late to school.
5. I think you should go to the doctor.
1.should
2.need
3.mustn't
4.mustn't
5.should
1 . You should go in for sports.
2. I need to go to swimming to exercise my leg.
3. Children mustn't eat junk food.
4. You mustn't arrive late to school.
5. I think you should go to the doctor.