单项选择题
A.make known B.be made to know C.make to know D.be made known
A.To tell readers that horse appeared earlier than human being. B.To inform us that horses can help us a lot. C.To introduce the history and characteristics of horses. D.To introduce the primitive horses to modern man.
A.There weren’t any cows in Florida. B.Mr White had a joke with the guide. C.Mr White hadn’t seen any cows before. D.The cows in Florida were much bigger than those in Australia.