13. “Shall I do the washing up?” – “_____________ .”

A. I’m afraid not          B. I don’t think so         C. I’m sorry I can’t            D. No, thanks. I can do it myself 14. Cool the burn immediately so as to ________ tissue damage.

A. ease         B. relieve        C. minimize          D. maximize

15. This project __________ next month.

A. is carried out       B. will carry out            C. carries out             D. will be carried out

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UNIT 6: THE ENVIRONMENT

Supply the correct verb forms or tenses

1. We must learn about keeping the environment........(pollute)

2. It is..........that our environment is more and more polluted. (disappoint)

3. The drivers have left lots of garbage on the ground after their..........(refresh)

4. The river has been..........with toxic waste from local factories. (pollute)

5. There are some volunteer..........to help clear up the beach. (conserve)

6. They don't want to make the situation.......(seriousness)

7. For your comfort and..........we recommend you keep your seat belt loosely fastened during the flight.

(safe)

8. Mrs Brown has..........provided a picnic lunch for you.(kind)

9. People who catch fish by...........must receive heavy fine.(electric)

10. Wildlife..........has gradually gained public's attention. (conserve)

11. Air........can cause a lot of respiratory problems. (pollute)

12. They voted in favor of the.........of smoking in public areas.(prohibit)

13. We are talking about the...........of natural resources (preserve)

14............! He fails all the tests. (disappoint)

15. It was very............of you to leave the medicine where the children could get it. (care)

16. You shouldn't use paper............to save natural resources. (waste)

17. You don't have enough...........reasons for what for what you have done! (persuade)

18. Crops are sprayed with chemicals to...........damage from insects. (prevention)

19. There are more and more.............problems nowadays. (environment)

20. Who encourages the use of..............friendly products. (environment)

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II. Read the text  (1m)
    It is very important to have healthy teeth. Good teeth help us to chew our food. They also help us to look nice.

    How can we keep our teeth healthy? First, we ought to visit our dentist twice a year. He can fill the small cavities in our teeth. Secondary, we should brush our teeth with a toothbrush and toothpaste. Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread, potatoes, red rice, raw vegetables, and fresh fruit. Chocolate, sweets, biscuits and cakes are bad, especially when we eat them between meals.

   a,Write TRUE (T) or FALSE (F) in each sentence)

1, It isn’t very  important to have healthy teeth.                  =>………..

2, We have to visit our dentist twice a year.                         =>………….

  b, Answer the following questions

1. Why is it very  important to have healthy teeth?

………………………………………………………………………

 2. What food should we eat?=>………………………………………………

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Điền giới từ thích hợp vào ô trống.

6. What time should we leave _________ Nha Trang?

7. That famous prison is ________ the island of Alcatraz in the middle of San Francisco Bay.

8. The heads of four American Presidents are carved _______ the rock.

9. We are having a wonderful time ______________ the US.

10. Should I compain ______________ the noise of my neighbors to the local authority? 

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There is no need to telephone me when you arrive (bother)

=> Don't .......................................

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Đặt câu với từ gợi ý

1. This / car / make / Viet / Nam /

=>

2. Rice / grow/ in tropical / countries

=>

3. My house / paint / every year /

=>

4. My bicycle / steal / yesterday /

=>

5. The children / give / some homework

=>

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