完形填空。 Last Sunday was fine, Mike 1 stay at home. He was on a 2 to the zoo. A woman with a baby got on the bus. Mike stood up and 3 to her, 'Come and sit here, please.' He helped the woman 4 . 'Thanks 5 , good boy,' the woman said. 'You're welcome,' said Mike. The bus went on. Thirty minutes later, it 6 at the zoo. Mike got off the bus and said 7 to the woman. The woman smiled (微笑) at him in a friendly way. Mike went into the zoo. 8 of the people there were students. He 9 a lot of animals, and he also took many photos. He spent a happy weekend 10 he helped others and had a good time in the zoo. (     )1. A. wasn’t (     )2. A. way (     )3. A. spoke (     )4. A. go for (     )5. A. a little (     )6. A. stop (     )7. A. hello (     )8. A. Most (     )9. A. met (     )10. A. and B. isn’t B. zoo B. said B. get on B. a lot B. stops B. goodbye B. Each B. looked B. but C. doesn’t C. bus C. told C. sit down C. a bit C. stopped C. yes C. Every C. saw C. when D. didn’t D. bike D. talked D. lie down D. a lot of D. stoped D. good morning D. All D. read D. because