it'll be cheap to travel everywhere by plane的形式主语和真正主语是、并且希望是能够加上it····to···的用法、注意事项等等.

分类: 作业答案 • 2021-12-31 14:05:32

问题描述：

答

形式主语是it,真正主语是to travel everywhere by plane
常用的句型是it is +adj.+to do sth

it'll be cheap to travel everywhere by plane的形式主语和真正主语是、 并且希望是能够加上it····to···的用法、注意事项等等.