The key answer of exercise 2

a)

1. was
2. were
3. weren't
4. didn't like
5. played
6. walked
7. went
8. wrote
9. came
10. didn't talk
11. met
12. had
13. wanted
14. was

b)

1

• Mike: Jim Black was a good friend.
• Carla: They weren't friends. Mike didn't like Jim.

2

• Mike: At half past three, we went to our rooms in the hotel.
• Carla: Jim came back at six.

They also both say that the other person killed Jim.