These police often_____the children across the streetA.help b.helps c.helping d.is helping选哪个为什么?

分类: 作业答案 • 2022-01-02 13:16:25

问题描述：

These police often_____the children across the street
A.help b.helps c.helping d.is helping
选哪个为什么?

答

A.help
police 是个单数复数同型前面还有these
所以……