THEY SUGGEST USING __________ INSTEAD OF COAL, GAS AND OIL. A. SUN...
13.
They suggest using __________ instead of coal, gas and oil.
A. sunny light
B. solar energy
C. lunar power
D. star electricity
13.
They suggest using __________ instead of coal, gas and oil.
A. sunny light
B. solar energy
C. lunar power
D. star electricity