单项选择题
A．Teacher and student. B．Fireman and house owner. C．Boss arid employee. D．Husband and wife.
A．Something’vent wrong with the bus. B．She took somebody to hospital. C．She didn’t catch the bus. D．An traffic accident happened to her.
A．She’s not interested in history. B．She has no time to study. C．She’s a history student. D．She will study history later.