单项选择题
A．The woman feels sorry for the man. B．The man is a member of the staff. C．The area is for passengers only. D．The woman is asking the man to leave.
A．To protect persons and property. B．To collect taxes. C．To teach and train citizens. D．To save natural resources for future use.
A．He didn’’t like physics any more. B．His eyesight was too poor. C．Physics was too hard for him. D．He had to work to support himself.