Tiếng Anh

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5. We use a lot of energy at home and it costs us a lot. To save energy, we should use energy saving light bulbs in our house. It will help us to reduce our electricity bill. Next, we should use electricity more efficiently. We should turn the light, the television and other electrical appliances off when we are not using them. Finally, we should reduce the use of water. Taking showers instead of baths is a good way. Besides, we should turn off the tap when brushing our teeth; this can save 6 liters of water per minute. In conclusion, those ways can save our lives in the future so we should raise our awareness of saving energy.

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IV.

1. They visited to Ho Chi Minh City 2 week ago.

2. Lan likes talking to her friends in her free time.

3. My sister always plays volleyball at the weekends

goes

Bài 4:

1. If factories dump waste into rivers, a lot of fish will die

2. If people keep using plastic bags, oceans will be full of plastic garbage

3. They won't save a lot of money if they go to work by taxi

4. Land for farming won't decrease if people don't build too many houses

5. If the Earth becomes hotter, the polar ice cap will melt

6. You will waste your paper if you don't write on the sides

7. We don't harm the environment if we use recycle products

8. If people don't breath polluted air, they won't suffer from lung will be diseases

9. There will be too much air pollution in this area if the residents don't often cycle

10. If those companies produce reusable bags, they will receive good feedbacks

I am writing to you about the problem of trash throwing on my street

1. F

2. T

3. F

4. T

5. T

...Despite... careful preparation,we have a lot of difficulties in making a new film

10. My friends prefer not to go by taxi

13. Will you be busy tomorrow?

14. Yes, I will be busy tomorrow

15. No, I won't be busy tomorrow

16. Why will she busy tomorrow?

17. What will he do tomorrow?

18. He will swim tomorrow