I．1．schools 2．sheep 3．oranges 4．desks 5．buses 6．birds 7．shirts 8．students 9．floors
10．chairs 11．boxes 12．wives 13．families 14．children 15．photos 16．shoes
II． 1．Mr（Miss）Gao's bike 2．teachers'room 3．my friend's picture 4．students'desks
5．women's clothes 6．the floor of the room 7．a picture of a school 8．the door of the
classroom 9．an old friend of Kate's 10．a new photo of mine 11．two boxes of shoes
12．today's work
III．1．C2．A3．B4．A5．B6．D7．A8．B9．D10．A11．B 12．A 13．D 14．B 15．D
IV．1，3，5，7，9，8，10，11，13，14，15，16，20
