Many experts hold the view protection awareness is

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/04/30 01:43:37

Many experts hold the view ____protection awareness is ____ the key to better environment lies.
答案是that,where.为什么第二个空不能填in which?

protection awareness is the thing in which the key lies...你自己看吧,如果使用in which 都不知道这个which是指得什么东西...where = the thing/place in which
再问： is后面不是一个表语从句吗，从句缺地点状语，不是这样嘛？》
再答：你问的是为什么不能用in which... in which就意味着which 会指代一个东西，这样才能in 那个东西. 对不？那么is a place in which the key lies. where可以当 the thing where使用, 当相于是一个定语从句，省略了指代物.

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