Why should we save energy?
A.A.
save about US$21
B.B.
conserve the Earth’s resources
C.C.
save money
D.D.
save money as well as conserve the Earth’s resources.
Đáp án và lời giải
Đáp án:D
Lời giải:
Dẫn chứng: Ultimately, these innovations will save money as well as conserve the Earth’s resources.