Ответьте на вопросы,употребив Past Perfect или Past Simple 1)When did she

1) When did she arrive? - She arrived after they had gone.
2) When did he lock the car? - He locked the car after he had parked it.
3) Why did John sell his car? - John sold his car because his friend had offered him a good price.
4) Why didnt she call us? - She didnt call us because she had lost our phone number.
5) When did he start reading this book? - He started reading this after he had seen the film.