完形填空。 How are you? It is very nice 1 you to write 2 me. From your letter I know a lot 3 your school. Now I 4 you know something about me and my school. I am thirteen years old. I am in Class One, Grade One. My father is a 5 . He teaches English. My mother is a doctor. She works in a 6 . I 7 early and 8 English. Our school is big. It has 2,000 students and 200 teachers. All the teachers and students work 9 . Please come and have a look 10 our school if you have free time. (     )1. A. of (     )2. A. from (     )3. A. of (     )4. A. let (     )5. A. teacher (     )6. A. school (     )7.A. go to bed (     )8. A. look (     )9. A. hard (     )10. A. at B. on B. of B. for B. say B. worker B. hospital B. have lessons B. see B. hardly B. in C. for C. in C. about C. talk C. student C. factory C. get up C. watch C. careful C. on D. to D. to D. to D. know D. doctor D. hotel D. come here D. read D. fast D. to