the population of china is much larger thanof japan
问题描述：
the population of china is much larger thanof japan
life is much easier thanused to be
为什么第二句中用it?可以替换成that么?
life is much easier than (it) was in the 20 centry
life is much easier than (that) in the 20 centry
为什么多加一个WAS用的代词就不一样了？？
it和that有什么准确明确的区分方法么？
that是指Japan的population 而第二句，it就指从前的life
这两个不都不是指同一样东西吗？ 还是不懂啊？
答
原问题中：that是指Japan的population,和主语the population of China不是同一个；而第二句,it就指原本的life；两者不可以替换.补充问题中：多了一个was就是从句了,当然不可以当作相同情况处理.句一因为是另起的从句...