独立主格结构：名词、代词+非谓语+其他,在句中做状语
如：Time permitting,we will go camping.
It being fine,we will go camping.答案把它换成了（World leaders agreed that...)原句的问题是？being 是不是抄错了，如果是World leaders agreed that---，being应该是isIt is agreed by word leaders that there should ait 是形式主语，而that there should a--是真正的主语World leaders 主语 agreed 谓语 that there should a--宾语从句(It being agreed by word leaders )that there should be a