It is said that in Australia there is more land than the goverment knows what to do with it.

问题描述:

It is said that in Australia there is more land than the goverment knows what to do with it.
句末的it与land会不会重复

It is said that 固定句型其实
the goverment knows what to do with it.it 代表的是land,它这里用it代替前面的land,不矛盾,do you know