Where will your house be? What will it be surrounded? Is ocean water salty?

Our future house will be on the ocean. It will be surrounded by tall trees and blue sea. But we
only have saltwater in the ocean. We need fresh water for (drink/ drinking/ to drink/ to drinking)
and for growing food (in/ on/ at/ into) farms.
Ocean water is too salty (drink/ drinking/ to drink/ to drinking). It is also too salty for
watering plants. We must have the (things/ suggestions/ ways/ ideas) to make freshwater from
salty water. We should be (careful/ careless/ carefully/ carelessly) not to wastewater.
Questions:
1. Where will your house be? ...........................................................................................
2. What will it be surrounded? ………………………………………………………….
3. Is ocean water salty? …………………………………………………………………..
ai làm có thưởng