Many countries are already using (1)_________ energy. Solar (2)_________ are placed on the roofs of a house and the Sun's energy is used to (3)_________ water. The energy can be stored for a number of days, so on (4)_________ days you can use solar energy ... solar energy program. There, all buildings will be heated by solar energy and cars (5)_________ solar power instead of gas by the year 2015.
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22 tháng 5, 2022
trong Tiếng Anh lớp 9
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Babyshort
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