单项选择题
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．Ask Tom to send an invitation. B．Get the Johnsons’address. C．Invite Tom to the party. D．Tell Tom to pick up the Johnsons.
A．There are too many courses offered to students. B．The woman should take fewer courses next term. C．The man will take four courses next semester. D．It is wiser to take more than four courses.