Complete the sentences with the Past Continuous and the Past Simple forms of the verbs and the adverbs in the box.

1. We were talking loudly when our teacher came in. 2. Dad was running fast in the park when I saw him. 3. The dog was playing happily in the garden when it started to rain. 4. I was doing the exercise carefully when the teacher came to my desk. 5. I was answering the nurse politely when the doctor came in.