1.That's the school that has a swimming pool.
2.That's the word which sound strange.
3.That's the teacher who's going to give a test.
4.That's the shop that sells English books.
5.That's the actress who won the prize.
b) That's the film I want to see.
That's the word I don't understand.
That's the mistake I made.
That's the music I love.
That's the girl I met two days ago.