They were in time to produce carbon,.,which were to make the earth's atmosphere.which 后面的were to make是be to do 是表示将要,

分类: 作业答案 • 2021-12-19 23:59:15

问题描述：

They were in time to produce carbon,.,which were to make the earth's atmosphere.
which 后面的were to make是be to do 是表示将要,

答

赞同！

答

这和那个关联不是重点,这里的were to do 只是对which 指代的句子作谓语来解释说明,可以做目的来理解,“它们及时的产生CO2,来组成地球的大气.”