单项选择题
A．went to sleep B．cried C．sat down and waited D．lay down quietly
A．The Human Sense of Smell B．Dogs Have Poor Eyesight C．Sense of Smell D．Dogs Have Excellent Sense of Smell
A．The old man had nobody to talk to. B．The old man took the child away and then sent him back. C．The old man wouldn’t change his way of life. D．What some people thought about was partly right.