What is the amount we owe them?中we owe them是什么从句?

问题描述:

What is the amount we owe them?中we owe them是什么从句?
那么that 在从句中充当什么成分呢?

这句话实际上是What is the amount that we owe them?that省掉了,We owe them就是定语从句了,修饰amount.
that指的是the amount,是一个引导词啊,引导后面的从句啊,在从句中中作宾语补足语,