Ответ:

1.

1.I think you should focus on your study!

2.Henry got his degree at the university.

3.Water polo is a sport.

4.We dislike playing ice-hockey.

5.My train usually leaves at 7.35 am.

6.My brother worked out at a gym.

7.The sound engineer said that the sound quality was not good.

8.I won't play tennis. I have lost my racquet.

9.My favorite singer was singing on air.

10.I would like to win a prize.

2.

1.You should raise your hand and wait before you ask a question.

2.In Britain, all teens must stay in school until they are 16 years of age.

3.In the old days, teachers would hit students with a ruler if they misbehaved in class.

4.In certain schools, students must stand when their teacher enters the room.

5.If you want to have good marks, you should spend time studying.

6.You need to go to the supermarket.

7.You should revise for your exam.

8.All students must be in class by 9.00 am.

3.

1.If I were you, I would spend free time outdoors.

2.He will buy an extra ticket if he wins the lottery.

3.If you don't water plants, they will die.

4.If she had cleaned her room, her mother would not have been so angry.

4.

1.Go cycling.

2.Play basketball.

3.Do long jump.

4.Do gymnastics.

5.Play ice hockey.

6.Do javelin throwing.