参考答案

　　Unit 4　Where's my backpack?

　　Ⅰ.1.keys　2.Where　3.under　4.bring　5.between

　　Ⅱ.1.on the floor　2.on the chair　3.under the dresser　4.next to the desk　5.behind the door　6.next to the sofa　7.a math book　8.in the bookcase

　　Ⅲ.1~4 CACC　5~8 ABAB

　　Ⅳ.1.The books aren't in the bookcase.

　　2.Is the baseball under the bed?

　　3.Where are the pictures?

　　4.Yes,it is.

　　5.No,they aren't.

　　6.His T-shirt is on the bed.

　　Ⅴ.1~5 DEABC

　　Ⅵ.1.backpack,under　2.My,on　3.Where's　4.Are,keys,they,aren't　5.next,to,it,is

　　Ⅶ.1.Where　2.on,the,wall　3.shoes/socks　4.under/on