They haven't decided where to go.是什么从句?

They haven't decided where to go.是什么从句?
They haven't decided where to go.是什么从句?

They haven't decided where to go.是什么从句?
是宾语从句.主句是They haven‘t decided而where to go一句 处于整个句子的宾语位置就是宾语从句了