单项选择题
A．He keeps his car in good condition. B．He has an accident. C．He is careless with his car. D．He likes old cars.
A．15 minutes. B．45 minutes. C．7 minutes. D．8 minutes.
A．His job is difficult. B．His job is not interesting. C．He doesn’t know how to do his job. D．He only sleeps for a few hours a night.