Complete the conversation using the appropriate tenses from the given forms in brackets.

Billy: Hello, Lewis. It's good to see you back at school. I heard (1) about your accident. Lewis: Yes, it happened (2) very quickly. My dad and I were climbing (3) up a mountain when I fell (4) over a rock. Billy: Oh! Tommy said you were having (5) the accident when you were walking (6) up a hill. Lewis: Well, it was a very big hill! I could not (7) walk at all after the accident, but my leg is getting (8) better now. I do (9) exercises every day. Billy: See you in football practice soon, then!