根据句意和首字母提示，补全单词。 1. They are c__________ buying a new car. 2. I couldn't find a p place to sit on. 3. The flood in her hometown b out last year. 4. I know little about that. You can ask Maria because she knows the w . 5. Every student is s to keep the classroom clean. 6. Mozart (莫扎特) wrote a lot of c in his life. 7. Have you d up the plan yet? 8. M of foreigners come to visit China every year. 9. The writer is famous at home and a . 10. We have come to realize the i of learning English.