4. Write the sentences in exercise 3 as questions and complete the short answers.

1. Was it raining? Yes, it was.
2. Was the dog cleaning her teeth? No, it wasn't.
3. Was I working at lunchtime? Yes, you were.
4. Weren't we waiting for you? No, you weren't.
5. Weren't they eating their food? No, they weren't.
6. Was she studying last night? Yes, she was.