A mother and her young son got on a bus and s down. A girl, selling tickets on the bus, came to them. She was the conductor(售票员). The mother said，“I want a full ticket.” And t she gave the conductor some m . The conductor looked at the little boy and a , “How old are you?” The mother wanted to speak, b the conductor stopped h , and the boy said, “I’m six years old at home, and four years old on b and trains. My mother told me that.” The mother’s face turned r . She had to take some more money o of her bag and gave it to the conductor. The conductor gave her a full ticket and a half-price o . 小题1: s 小题2: t 小题3: m 小题4: a 小题5: b 小题6: h 小题7: b 小题8: r 小题9: o 小题10: o