Unit 4 Where’s the bird?习题一.从第二栏中选出相对应的答句( )1. Where’s my pencil?( )2.Is that your chair?( )3. What is it?( )4. Where’s Liu Tao?( )5. This is for you , Yang Ling.( )6, Look, a bird! A. How beautiful! B. It’s in the pencil case. C. Thank you. D. No, it isn’t....