请阅读短文，选择合适的选项。 Look at that big table. There are some books on 1___________. The books are 2___________. Near the books, there is a new computer. It's Mary's 3___________. 4___________ works on 5___________ computer. On the wall, there is a big picture. It's very nice. The picture is from Mary's mother. 6___________ is an art teacher. She teaches 7___________ in our school. She draws wonderful pictures. 8___________ call her Mrs. Brown. Mary and 9___________ are in the same class. 10___________ are good friends. (     ) 1. A. that (     ) 2. A. Mary's (     ) 3. A. father (     ) 4. A. His (     ) 5. A. a (     ) 6. A. She (     ) 7. A. we (     ) 8. A. You (     ) 9. A. I (     ) 10. A. They B. it B. Mary B. father's B. Him B. an B. He B. our B. We B. my B. We C. there C. Mary is C. is father C. He C. the C. Her C. us C. Our C. mine C. You