They helped build part of a railroad that would cross the United States.

分类: 作业答案 • 2022-01-09 18:02:27

问题描述：

They helped build part of a railroad that would cross the United States.
这句话有没有毛病,help和build都是动词可以挨着吗?

答

不可以,应该为：help sb to do sth或help sb do sth
所以helped和build之间应该有一个不定式符号to
另：任何俩个动词不可以一起直接出现