Unit 4 Where’s the bird?同步练习 2一、选出下列单词中不同属性的一项。1.( ).A. desk B. chair C. open2.( ).A. in B. on C. of3.( ).A. under B. window C. behind4.( ).A. beside B. ruler C. pencil5.( ).A. bird B. in C. duck二、默写。1.小鸟__________ 2.in the tree______________3. on...