单项选择题
A．through B．into C．along D．on
A．He was picked up by a car. B．A camel took him to the road. C．A passer-by Bedouin helped him. D．His uncle and cousin found and rescued him.
A．Pen—Animal Prison B．Zoo Tiger—Wandering Free C．Siberian Tiger—Dangerous Animal D．Zoo—Dangerous Site