完形填空。 How are you, Pin? I'm writing a letter 1 you in my school. It's a big middle 2 . I'm in a big class. There're fifty students in my class. There are about three hundred teachers in my school. My English teacher 3 Mr Liu. 4 is a nice teacher. We go to school 5 Monday to Friday. There are four classes in the morning and two in the afternoon. We play games 6 four on Friday after class. I have many friends at school. One of them 7 America. She speaks English and Chinese. The others 8 Chinese.I like to play 9 them. We often 10 basketball together. That's my favorite game. (     )1. A. to (     )2. A. school (     )3. A. be (     )4. A. He (     )5. A. from (     )6. A. in (     )7. A. come from (     )8. A. are all (     )9. A. for (     )10. A. play the B. for B. class B. are B. She B. for B. on B. from B. all are B. and B. play C. with C. classroom C. am C. Her C. in C. at C. comes from C. are from C. at C. plays D. from D. office D. is D. Him D. on D. about D. out D. all is D. with D. are play