Much of the farm was under water; as for the grain most of that has been ruined.
问题描述：
Much of the farm was under water; as for the grain most of that has been ruined.
这句有错吗?
是定语从句吗,定语从句可以most of that吗?
答
不是,most of that这里的that是指示代词
定语从句的of后面只能用whom, which