concern is growing that the violence will spread into the united states.that...在句中是什么成份

问题描述:

concern is growing that the violence will spread into the united states.that...在句中是什么成份
concern is growing that the violence will spread into the united states.that 从句在句中是什么成份?

引导后面的定语从句the violence will spread into the United States 修饰concern