X. Circle the best answer then answer the questions. Our future house will be on 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 (1) drink / drinking / to drink / to drinking and for growing food (2) in / on / at / into farms. Ocean water is too salty (3) drink / drinking / to drink / to drinking. It is also too salty for watering plants. We must have the (4) things / suggestions / ways / ideas to make fresh water from salty water. We should be (5) careful / careless / carefully / carelessly not to waste water. 1. Where will your future house be? ________________________________________________________________ 2. What will it be surrounded? ________________________________________________________________ 3. Is ocean water salty? _______________________________