先通读对话，掌握其大意，然后从所给的选项中选出最佳选项。 A: Good morning! B: 1 ! Welcome 2 my home. A: 3 are you? B: I'm fine. Thank you. And 4 ? A: I'm 5 , too. 6 he Michael? B: Yes, 7 is. A: 8 is he from? B: He is 9 the U.S.A. He is a teacher. A: Is he an English teacher? B: 10 . He is a good English teacher. (     )1. A. Good morning (     )2. A. to (     )3. A. Where (     )4. A. your (     )5. A. good (     )6. A. Is (     )7. A. she (     )8. A. What (     )9. A. 不填 (     )10.A. Yes B. Excuse me B. too B. What B. you B. nice B. Are B. he B. Who B. to B. No C. Hello C. from C. How C. he C. fine C. Am C. it C. Where C. from C. Not