完形填空。 Dabao is a 1 boy, He is 2 Tokyo. He 3 speak Chinese. But he wants to study 4 . So he comes to 5 . Every morning, he 6 in a middle school and teaches Chinese students 7 . Every afternoon,he goes to Chinese classes. He works very hard. Now he can speak 8 Chinese. 9 teacher likes him 10 . (     )1. A. Australia (     )2. A. from (     )3. A. can (     )4. A. this (     )5. A. Japan (     )6. A. studies (     )7. A. English (     )8. A. many (     )9. A. He (     )10. A. at all B. America B. at B. can't B. them B. London B. works B. Chinese B. a lot B. His B. very C. Japanese C. on C. must C. it C. China C. helps C. Japanese C. a little C. Him C. very much