问题:
【题文】Alow-carbon(低碳)lifestyle has an effect our daily life.More and more attention has been paid to Energies these days.
A.in;save
B.in;saving
C.on;save
D.on;saving
【题文】Alow-carbon(低碳)lifestyle has an effect our daily life.More and more attention has been paid to Energies these days.
A.in;save | B.in;saving | C.on;save | D.on;saving |
参考答案: