**who** say that the best modern music is rock music.2) That's the main reason **why** she called her mother.3) People **who** live in flats shouldn't listen to music loud.4) This is the most interesting film **that** they have ever seen!5) My granny'll show you the book **that** changed my life.6) Ashley doesn't visit her grandmother **who** lives in the countryside.7) Sam didn't follow the instructions he was given, so he failed to pass the test.8) Mrs. Smith's car had broken down on her way home **and she** spent 2 hours waiting for help.9) **That** is the supermarket **that** was awarded as the best one in the town.10) The sofa **that** my parents bought last month has broken down.