Answer:
1. She read the book when the phone rang.
2. My son found a coin when he walked.
3. She brushed her hair when the postman came.
4.When they arrived we waited for the bus.
5. The mixer broke down when I cooked dinner.
6. They noticed that we watched them.
7. The teacher became angry when we talked.
8. The boys played because it rained.
9. I saw him when he ate the cakes.
2.1
He wasn't riding his bike along the river.
2.2 He wasn't sitting on the sofa.
2.3 I wasn't carrying a blue bag.
2.4 She didn't fly a helicopter.
2.5 They didn't visit Rome.
4.1 to take Obama's photo
4.2 he forgot his pass press
4.3 Winter but a warm night
4.4 inside the convention center
4.5 happy
4.6
