It doesn't cost much to run a solar power system.
A. A solar power system is quite cheap to set up.
B. Running a solar power system costs nothing.
C. A solar power system costs so much to run.
D. Running a solar power system is not costly.
Giải bởi Vietjack
Đáp án D
Nghĩa câu gốc: Không quá tốn kém để vận hành một hệ thống năng lượng mặt trời.
Lưu ý: set up: lắp đặt
Cost sth: tốn. Eg. cost me 50 dollars: tốn của tôi 50 dollars
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