单项选择题
A．how photography was developed B．how to show your ideas and feelings in pictures C．how to take pictures in the world D．how to use different cameras
A．the large tidal wave B．the powerful tidal pull C．the star coming near the sun D．one of the sun’s planets
A．every American cannot have guns. B．only soldiers and police can have guns. C．every American citizen can own guns. D．teachers have no money to buy guns.