To our great joy,the workers who had been trapped underground were finally saved.这里的to our great joy 在句中做什么成分?
问题描述：
To our great joy,the workers who had been trapped underground were finally saved.这里的to our great joy 在句中做什么成分?
答
状语, 让我们高兴的是 , 困在地下的那些工人们终于得救了.