1.This is the best movie (that/which) I have seen .
2.Here is the key （that/which）Linda is looking for.
3.Mike likes the cat that/which has big beautiful eyes.
4.Do you know the girl that/who is making a telephonecall?
5.I want to read the books that/which are written by Han Han .
6.Let's go to the new sports centre that/which has just opened in our town.
人：用who、 that
物：用which、that
即 不管是人还是物,都可以用 that、
若关系代词在从句中作宾语,可以省略、 就像上面的1、2句、
先说这么多吧、不明白还可以再问我、谢谢你哦~