1. If I have enough money, I will pay for the tickets

2. Is the work permit, I will stay for another six months

3. If I pass the exam, I will go to the university next October

4. If my parents accept, I will marry him

5. If the plant are full of trees, the forest will be recovered

6. If we obey the environment protection law, our environment will not be polluted

7. If we protect, the Earth will be better

8. If we lift, we will be in time

9. If there is a cheap room, I'll stay a fornight

10. If he studies hard, he will get many more good marks

1. If I have enough money, I will pay for the tickets.

2. Is the work permit, I will stay for another six months.

3. If I pass the exam, I will go to the university next October.

4. If my parents accept, I will marry him.

5. If the plant are full of trees, the forest will be recovered.

6. If we obey the environment protection law, our environment will not be polluted.

7. If we protect, the Earth will be better.

8. If we lift, we will be in time.

9. If there is a cheap room, I'll stay a fornight.

10. If he studies hard, he will get many more good marks.

Chúc bn hc tốt=))