完形填空。 It was Sunday yesterday. Henry wasn't 1 home. He was on a 2 to the zoo. An old man got on the bus. Henry stood up and 3 to him, 'Come and sit here, please.' He helped the old man 4 .' Thanks 5 , good boy,' the old man said.'You're welcome,' said Henry. The bus went on. Thirty minutes later, it stopped 6 the zoo. Henry got off the bus and said 7 to the old man. The old man smiled (微笑) at him in a friendly way. Henry went into the zoo. 8 of the people there are students. He 9 a lot of animals and birds, 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. in (     )2. A. way (     )3. A. spoke (     )4. A. go for (     )5. A. a little (     )6. A. next (     )7. A. hello (     )8. A. Most (     )9. A. found (     )10. A. because B. on B. zoo B. said B. get on B. a lot B. through B. goodbye B. Each B. looked B. but C. at C. bus C. told C. sit down C. a bit C. near C. yes C. Every C. saw C. when