VI.

1.He got bad mark because he was lazy.

2.Although it rained hard yesterday, I went to school on time.

3.If we use the car all the time, we will make the air dirty.

4.Sydney is the cleanest city in the world.

5.We might go to the moon for our summer holidays in 2050.

6.If we use the car all the time, we will make the air dirty.

7.Are there twenty-five students your class?

8.If we protect the environment, we will destroy ourselves.

9.Unless she is more hard working, she will get high marks.

VII.

1.held

2.match

3.confirmed 

4.time

5.team

VIII.

1.There are two main kinds of sports in the world.

2.Team sports are such as baseball, basketball and volleyball.

3.Team sports require two separate teams.

4.Because they want to get best score.

5.Team sports are sometime called competitive sports.

VI

1. He got a bad mark because he was lazy.

2. Although it rained hard yesterday, I went to school on time.

3. If we use the car all the time, we will make the air dirty.

4. Sydney is the cleanest city in the world.

5. We might go to the moon for our summer holidays in 2050.

6.  If we use the car all the time, we will make the air dirty.

7. Are there 25 students in your class?

8. If we don't protect the environment, we will destroy ourselves.

9. Unless she is more hard-working, she won't get high marks.

VII

(1) held

(2) match

(3) confirmed

(4) time

(5) team

VIII

(1) There are two main kinds of sports

(2) Such as: baseball, basketball, and volleyball.

(3) Team sports require two separate teams.

(4) To get the best score.

(5) Team sports are sometimes called competitive sports.