II. Rewrite the sentences

1. If water pollution get more serious in the future, it will affect the development of economy and society( câu điều kiện loại 1)

2. Volunteers have been given out food and blankets to homeless people( câu bị động vs hiện tại hoàn thành)

3. After our plane had landed, we waited an hour for our luggage

4. The environment is polluted so birds leave their habitats and plant die

5. If Mr Quang didnt work in a noisy environment, his hearing wouldn’t become worse 

6. By the time we got to the cinema, the film has started 

7. Science and technology have been completely changed human life

8. Before my mother came home, my father had watered all the plants in the garden. 

9. The pollution problem have been discussed since last week by the students

10. If he weren’t late everyday, he wouldn’t lose his job