单项选择题
A．The man deserved the award. B．The woman helped the man succeed. C．The man is thankful to the woman for her assistance. D．The woman worked hard and was given an award.
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.