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Many countries are increasing their use of natural gas, wind and other forms of ____.

A. energy??????????? ????????????? B. source??????????? ????????????? C. power???????????? ????????????? D. material

Many countries are increasing their use of natural gas, wind and other forms of        .

    A. energy         B. source         C. power          D. material

162. Many countries are increasing their use of natural gas, wind and other forms of ______.

Many countries are increasing their use of natural gas , wind and other forms of ______.

A. power   B. force    C. energy   D. strength

Many countries are increasing their use of natural gas, wind and other forms of ________.

A. energy　 　　　　 B. source　 　　　　 C. power　 　　　　 D. material