Помогите с тестом по английскому языку срочно

11. Sarah had left the club before l arrived.
12. Greg crashed the car again for the second time last month.
13. Sally's eyes were still red because she had been peeling onions.
14. Walt Disney made his first cartoon film before 1928.
15. Shakespeare wrote many plays and poems that we enjoy now.
16. Dorothy is having a bath now.
17. Have they arrived? - Yes, they have. - When did they arrive?
18. Every autumn birds migrate South.
19. When I arrived, the police was waiting for me.
20. The match had finished by then already.
21. I was listening to the radio while Mary was cooking dinner.
22. Did you buy this book yesterday?
23. Last Friday Jill went home early because she wanted to see a film.
24. When does your brother usually get home in the evening?
25. Jane always brings us a nice present.
26. What are those people doing in the middle of the road?
27. Have you read this book?
28. While Fred was sleeping, Judy was watching TV.
29. When I was young, I thought Mary was nice, but now I think she's fantastic.
30. Jill was walking home when she saw her husband's car outside the cinema.
31. Look there! Sue and Tim are running to school.
32. Jack's father doesnʹt work in London - he doesnʹt speak English.
33. Joe bought a car yesterday.
34. Their father often goes to rock concerts.
35. While you were sleeping, mother arrived.

Вопрос задан совершенно неправильно. Следовало бы написать - лодырь не может выполнить упражнение... помогите, пожалуйста. Может, какой сочувствующий и нашелся бы. А то - срочно...