I. Complete the text.
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.
A. (1)................................; (2)................................; (3)................................;
(4)................................; (5)................................;
B. Questions:
1. Where will our future house be?
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2. What will it be surrounded?
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3. Is ocean water salty?
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