单项选择题
A．The woman had been planning for the conference. B．The woman called the man but the line was busy. C．The woman didn’t come [lack until midnight. D．The woman had guests all evening.
A．Brush your teeth right before you go to bed in the evening. B．Have as few of your teeth pulled out as possible. C．Have your teeth X-rayed at regular intervals. D．Clean your teeth shortly after eating.
A．A visit to a prison. B．The influence of his father. C．A talk with some miserable slaves. D．His experience in the war between France and Austria.