1.complete the text. Our future house will be on ( a/an / the )ocean.it will be surrounded by tall trees and blue sea.but we only have salt water in the ocean.we need fresh water for ( drink/ drinking/ to drink/ to drinking) and for growing food( in / on /at/ in to) farms. Ocean water is too salty ( drink/ drinking/to drink / to drinking).it is also too salty for watering plant.we mút have the ways to make fsesh water from salty water.we shod bé ( careful/ careless) carefully/ carelessly) not to waste water. 2.answet the questions a,where will your house be ? ............................................. b,what will it be surrounded ? .............................................. c,is ocean water salty ? ................................... d, what must we have the ways to do ? ..............................................................