摘要：( )1. A. It comes from the vapor. B. It comes from the clouds.. ( )2. A. He works in a hospital.. B. She works in a bank. ( )3. A. He is reading a book. B. He is an engineer. ( )4. A. Yes, he does. B. Yes, I do. ( )5. A. I like collecting stamps. B. She likes collecting stamps. ( )6. A. I go to school by bike. B. I get school by bike. ( )7. A. I’m going go the bookstore. B. I’m going at 3 o’clock. ( )8. A. Yes, it is. B. Yes, there is. ( )9. A. I can go on foot. B. I go home on foot. ( )10. A. Yes, I do. B. Yes, I am .

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