In case you might need some more practice about relative clauses, here you have some direct links: Exercise 1 Exercise 2 Exercise 3 PREPOSITION PLACEMENT IN RELATIVE CLAUSES Loads of quizzes My aunt, who I live with, used to have a parrot: "The essay" - Mr. Bean Crime vocabulary exercise 1 Crime vocabulary exercise 2 Law and Order vocabulary exercises Crime and punishment and related topics with lots of exercises (vocabulary, reading, listening, games, ...). Listening practice . Click on the following link to do a multiple choice listening exercise about security systems (don't forget to listen to it again while reading the quiz script after checking your answers). Now, let's finish this post off with this wonderful song, I hope you don't mind :
The blog for students of English at Escuelas Oficiales de Idiomas