petroleum is to industry____blood is to man.
问题描述：
petroleum is to industry____blood is to man.
a that b which c what d as if
a new factory has been built in ___ was a wasteland.
a that b where c which d what
第一个题目中的 as if 不行吗
答
petroleum is to industry what blood is to man.
石油对于工业就如同血液对于人体
sth is to sth What sth is to sth
特殊句型,固定的,记住就好!
a new factory has been built in what was a wasteland.
新工厂建在曾经是一片废墟的地方.
what was a wasteland在句子中作宾语,多以不能用that 或是 which
用where可以这样说
a new factory has been built in where it was a wasteland.