The spider is only one of the creatures that help us control pests.
问题描述：
The spider is only one of the creatures that help us control pests.
为什么不说helps!
答
help修饰的是the creatures,为复数,所以用help那为何不能理解为中心词是spider呢如果中心词spider,修饰它的从句就应该在它后面