Give the correct form of the words given to complete sentences

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
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