Английский язык. Определить время глаголов

(А)
1.Annie had been painting the house for hours before she took a break.
2. Alex was writing his report on the computer when the system crashed.
3. Two days ago Michael returned the book I had lent him.
4. Christine had been cleaning her room for two hours before she started getting ready to go out with her friends.
5. Yesterday evening I did not meet my friends until after I had finished my homework.
6. Who were you speaking to in the park when I came up to you?
7. Melany asked Julius out yesterday but he had already made plans.
8. My little brother was playing in the living room while I was cooking him something to eat in the kitchen.
9. The Great Fire broke out in London in 1666.
10. When I was a little boy, I had a hamster called Billy.
( В )
1. Keri was angry. She had been waiting for Sarah for three hours.
2. I saw Jim this morning. He was running for the bus.
3. Andy was relieved to hear that he had passed the exam.
4. I was walking home when I saw Paul.
5. Brian learnt how to spell his name at school today.
6. They hadn’t visited/weren’t visiting their grandparents for a long time.
7. I was watching television when the telephone rang.
8. Jason had been thinking about his new car all day.
9. I bought the dress because I wanted something special to wear to the party.
10. The little boy was crying because he had lost his mother.
11. Graham had been working for the company for twenty years before he retired in 1998.
12. Pam opened the present and read the card to herself.
13. Lucy wrote a letter to her brother last night.
14. It was raining all day and the roads were wet
15. Sue was smiling as she was reading Mary’s message