1. Tidal energy is renewable, ............................ and clean.     (plenty)

2. Wind will be used as an ............................ friendly sources of energy.  (environment)

3. There are many ways will be used to solve the problem of ....................         (pollute)

4. Solar power can be used to ............................ or cool our houses.        (hot)

5. ............................, fossil fuels are harmful to the environment.    (fortunate)

6. We couldn’t see the airplane because it ......................... behind the cloud.(appear)

7. I don’t think it will come true soon; however, your idea is really ...............(imagine)

8. He feels very tired after two continuous nights of .........................                  (sleep

VI . Give the correct form of the words given to complete the sentences :

1. Solar energy is renewable , ............ and clean . PLENTY

2. We should reduce the use of .......... at home . ELECTRICITY

3. Waves will be used as an ........... friendly source of energy . ENVIRONMENT

4. Solar power can be used to ............ or cool our house . HOT

5. There will be a ......... of energy in the near future . SHORT

6. Scientists are looking for clean and........ sources of energy. EFFECT

7. More renewable energy sources will be used to solve the problem of ........... POLLUTE

11. Waves will be used as an____________ friendly source of energy. (environment)

12. Limit car trips by relying on biking, walking, public____________. (transport)

13. Solar power can be used to____________ or cool our houses. (hot)     

14. Energy is used to____________ a lot of electrical things. (product)                 

15. There will be a____________ of energy in the near future. (short)                   

16. I don’t think so. The solar panels are becoming__________ and easy to install. (cheap)

17. Scientists are looking for clean and ____________ sources of energy. (effect)

18. I know it is also clean and safe to the environment. But does it cost a lot of money to install the____________ panels on the roofs? (sun)

19. More renewable energy sources will be used to solve the problem of_________. (pollute)

20. Because our major sources of energy are running out while the solar energy is abundant and____________. (limit)

21. ____________, fossil fuels are harmful to the environment. (fortunate)          

22. Energy is used to produce a lot of____________ things. (electrical)     

23. The____________ of wind turbines will be completed by next Friday. (install)

24. It can be found in only some places of the earth. It comes from____________ inside the earth. (deep)

25.____________ particles reach the Earth in just 8 minutes. (energy)       

II. Điền dạng đúng của từ trong ngoặc vào chỗ trống trong những câu sau.

1. Wind will be used as an _____ friendly sources of energy. (environment)

2. _____ , fossil fuels are harmful to the environment. (fortunate)

3. Solar energy is _____ , plentiful and clean. (renew)

4. We should reduce the use of _____ at home. (electrical)

5. Energy is used to _____ a lot of electrical things. (product)

I. Give the correct from of the word given to complete the sentence.

I. Give the correct from of the word given to complete the sentence.

1. I think it is a good _______ in this circumstance.( CHOOSE)

2. We are having an interview with Mr. Phong, one of the Elephant Race______. (ORGANISE)

3. There are a lot of cultural and _______ activities held as part of this festival.(ART)

4. Waves will be used as an ________ friendly source of energy.(ENVIRONMENT)

5. Solar power can be used to _______ or cool our house.(HOT)

6. There will be a ________ of energy in the near future. (SHORT)

I. Give the correct from of the word given to complete the sentence.

-Tidal energy is renewable ............ and clean (plenty) -Wind will be used as an ............... friendly sources of energy . (environment) -There are many ways will be used to solve the problem of .......... (pollute) -.............. , fossil fuels are harmful to the environment (fortunate) -We should use them .............. and try to find out alternative sources of power . (economy) -I think that solar energy can be an ............. source of energy in the near future (alter) -It's a clean source of energy . Sailboats couldn't move without this ............. (powerful) -Limit car trips by relying on biking , walking public ............. (transport) -Energy is used to ............ a lot electrical thing (product ) -I don't think so . The solar penels are becoming ............ and easy to install (cheap)

Help!!!