1. Mary goes to the gym every day. 2. I don't like this shirt, do you have any colors? 3. Mike has written one novel already, but is now working on one. 4. Sarah had one cup of coffee in the morning, but decided to have one after lunch. 5. I don't want to watch this movie again, let's watch one. 6. The teacher asked the student to solve the problem again, but using method this time. 7. I don't feel like going out tonight. Let's meet some time. 8. Jessica bumped into Jake the day. She was happy to see him. 9. I usually put on my trousers and then my socks, but today I did it the way around and it felt strange. 10. The sun is shining - that's reason to go out.