听录音,选出你听到的句子。(听两遍) ( ) 1. A. Is this a rubber?B. Is that a rubber? ( ) 2. A. What is it?B. What's this? ( ) 3. A. This is my schoolbag.B. That isn't my schoolbag. ( ) 4. A. Where's my lunch box?B. Where's my pencil case? ( ) 5. A. This is a pen.B. This pen is for you.