It is too early to tell whether ______the cost of production will _____ the company workers or

问题描述:

It is too early to tell whether ______the cost of production will _____ the company workers or
not.答案是cutting down ,benefit.请问为什么第一空要用分词形式?

cutting down the cost of production 动名词短语做句子的主语.
希望能帮到.