1. D. or
2. B. What
3. A. How many
4. B. any
5. D. will be
6. C. the most boring
7. A. fresh
8. A. instead
9. D. won't
10. B. Could
11. C. but
12. B. reusable
13. A. robots
14. D. landmark
15. B. solar energy
16. C. Recycle
17. D. soil
18. A. charity
19. B. How long
20. C. Water pollution

1. You can watch Harry Potter on TV  ________ you can read it.

    A.  so

B. and

C. but

D. or

2. “- ________ a nice T-shirt, Trang!”    _ “Thank you”

    A. How

B. What

C. Which

D. It

3. “- ________ films have you seen this week?” _ “Only one”

    A.  How many

B. What

C. Which

D. Who

4. There aren’t ________  good films on TV at the moment.

    A. some

B. any

C. much

D. a lot

5. If we cut down more trees, there ________ more floods.

    A. are

B. were

C. have been

D. will be

 6. That is ________ book I’ve ever read.

    A. the borest

B. the boring

C. the most boring

D. the most bored

7.  The opposite of "polluted " is ....................                      

    A. fresh      

B. good   

C. dirty      

D. safe

8. We should use reusable water bottles ___________ of plastic ones.                                            

   A. instead    

 B. because

C. despite       

D. however

9. In the future, we won’t go on holiday to the beach but we ________ go on holiday to the moon.

    A. must

B. can’t

C. might

D. won’t

10. ________ you swim when you were ten?

    A. Can

B. Could

C. Will

D. Might

11. My father likes watching TV____________ he doesn’t like listening to music.

    A. and  

B.  so

C. but

D. because

12. We should use _____________pens and pencils to reduce rubbish.

    A. reliable

B. reusable

C. refillable

D. sociable

13. In the future, we will have ___________to do housework.

    A.  robots

B. wireless TV

C.  smart phone

D. hi-tech fridge

14. Eiffel Tower is the most attractive ____________in France.

    A. building

B. resort

C. square

D. landmark

15. We should use _________to save natural resources.

    A. oil

B. solar energy

C. coal

D. gas

16._______________ means creating new products from used materials.

    A. Reduce

B. Reuse

C. Recycle

D. Rebuild

17. If the ______________  is polluted, we won’t have enough food to eat.

    A. water

B. air

C. noise

D. soil

18. We should give unused clothes to _____________to help the people in need.

    A. charity

B. factory

C. market

D. hospital

19. ___________ are you going to stay here?            ~ For a week.

    A. How often

B. How long

C. How many

D. How far

         20. ______________.happens when water in lakes,rivers and oceans is polluted.

          A. Air pollution          

B. Soil pollution            

C. Water pollution        

D. Noise pollution