Once coal and gas have run out,there will be no substitute ____ them,so it is everyone's responsibility to save fossil f

分类: 作业答案 • 2021-12-01 17:01:00

问题描述：

Once coal and gas have run out,there will be no substitute ____ them,so it is everyone's responsibility to save fossil fuel.
A.in.B.with.C.to.D.for

答

选D substitute for 是固定搭配