1. I think I am lost.2. Have you made dumplins before? No, not even once.3. I have known Lei Li for five years.4. Some people are talking outside the classroom.5. The police found the lost child at the Beijing Railway Station.6. The world will be more beautiful if everyone contribute to protect the invironment.7. I lost my Chinese book in the classroom yesterday.8. Don't forget to tell us the time. We are willing to go with you.9. The colder it gets, the more people wear.10. We will have a class party tomorrow evening. Please come and join us.
几丁不二
