АнглискийChoose the correct relative pronoun who, which, that, when, why, where

АнглискийChoose the correct relative pronoun who, which, that, when, why, where or whose.

His sister, _____ name is Lara, works at the library.
Her last film, _______ I couldnt understand at all, was a great success.
Give him something _____ will take away the pain.
I work in the town _____ my son lives.
Well show you the poem ______ changed my life.
Doctors, ______ claim money, are shameless.
Is there a shop near here ______ sells milk?
This is the most beautiful waterfall _____ we have ever seen!
Ill never forget my childhood ______ I was so happy.
People ________ live in flats shouldnt have animals.