IV. Give the correct form of the words given to complete sentences.

      1.   We should use them                             and try to find out                  ECONOMY                     alternative sources of power.

      2.   Solar energy is                        , plentiful and clean.                            RENEW

      3.   I think that solar energy can be an                               source of        ALTER                            energy in the near future.

      4.   We should reduce the use of                          at home.                     ELECTRICAL

      5.   It’s a clean source of energy. Sailboats couldn’t move without        POWERFUL                         this             .

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

      7.   Limit car trips by relying on biking, walking, public                         TRANSPORT                                   .

      8.   Solar power can be used to                              or cool our houses.     HOT

      9.   Energy is used to                     a lot of electrical things.                    PRODUCT

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

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.

Give the correct form of the word given to complete the sentences.

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 should use them______________ and try to find out alternative sources of power. (economy)

7. Solar energy is_________________, plentiful and clean. (renew)

8. I think that solar energy can be an________________ source of energy in the near future. (alter)

9. We should reduce the use of________________ at home. (electrical)

10. It’s a clean source of energy. Sailboats couldn’t move without this____________. (powerful)

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!!!

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)

Giúp với!!!

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)

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