They make use of such forms of energy like wind and sunlight to help cut the cost.改错
问题描述:
They make use of such forms of energy like wind and sunlight to help cut the cost.
改错
答
they use such forms of energy like wind and (or) sunlight to help cut the cost
答
They make use of such forms of energy like wind and sunlight to help to cut the cost
少了一个 "to"
to help to (do something)