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Today, housework has been made much easier by electrical _____.

 A. facilities       B. appliances     C. instruments         D. equipment

. Today, housework has been made much easier by electrical _____.

         A. facilities    B. appliances    C. instruments    D. equipment

 Today, housework has been made much easier by electrical _____.
       A. facilities             B. appliances          C. instruments          D. equipment

 Today, housework has been made much easier by electrical _____.

       A. facilities             B. appliances          C. instruments          D. equipment

Today, housework has been made much easier by electrical _____.

        A. facilities                 B. appliances                  C. instruments                 D. equipment