2.They will build  a dam in this area.

       A dam.....................................................................................

3.Will she tell a story about her class?

Will a story about her class..............................................?

4.I won’t finish the report until my father comes.

       The report..............................................................................

     5.They will put solar panels on the roof.

          Solar panels     ....................................................................................

     6.People will use the sun’s energy to heat water.

         The sun’s energy..................................................................................

     7.They will build a dam for hydroelectricity in this area.

A dam for hydroelectricity.................................................................

      8.People will  spend a lot of money on building the hospital.

              A lot of money................................................................................

      9.He will finish the report  before he  leaves here.

The report  .....................................................................

      10.We will hold the meeting before May Day.

               The meeting..................................................................