What does this book do here? I looked through it. 2. Where did all these empty bottles come from? We cleaned the sideboard 3. Look at the mess in my room! Who lived here? 4. Why are my shoes in such a mess? them somebody wore? 5. Why do you have a camera in your hand? I took a photo. 6. I know why you are tormented by nightmares. You're watching too many horror films lately. 7 I do not want her to understand that I was crying. 8. I do not want her to understand that I'm crying. 9. I think I need to take a break. I have been working nonstop for five hours. 10. Since the director of the restaurant changed, visitors complain about food. 11. I knocked five times. I think there's no home at all. 12. I knocked. But I think that no one is home. 13. I've been planting new trees since I bought this house. 14. I landed about 20 trees since I bought this house. 15. There have been many changes in our country in recent times.