—Nature is our greatest treasure.—Yes. If humans don't take action, natural reso

题干

—Nature is our greatest treasure.
—Yes. If humans don't take action, natural resources will one day.

A．turn out

B．put out

C．give out

D．run out

上一题下一题 0.65难度单选题更新时间:2019-07-18 06:44:05

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