Complete the sentences with the correct time expression.

1. On July 10th, I went back to the hospital. By then my leg was much better. 2. I go jogging every morning. At first, I hate it and want to stay in bed but usually, I’m happy to get up and do some exercise. 3. I started to cross the road. Just then, a cyclist came round the corner. He hit me and I hurt my leg. 4. My dad started to support Liverpool in the 1980s. Back then, they were the best team in England.