英语句子改错 The Yangtze river is wider in Shanghai than that in Wuhan .哪里错了,怎...

问题描述:

英语句子改错 The Yangtze river is wider in Shanghai than that in Wuhan .哪里错了,怎...
英语句子改错 The Yangtze river is wider in Shanghai than that in Wuhan .哪里错了,怎么改?
答案是把That 改成It ,但是我不明白为什么这样改

问题补充:
答案是把That 改成It
因为是同一个东西,前后都是长江自己比.
如果说:the number of people here is bigger than (that) there.就是that,因为那里的人与这里的人是不同的.