[00:00.00]
[00:00.55]Unit 2 I feel happy.                        
[00:06.31]Ò»¡¢Listen and number.ÌýÒ»Ìý£¬ÅÅÒ»ÅÅ¡£ 
[00:15.63]1. M: I lost my cap. Now I feel sad.      
[00:30.76]2. W: I met my friend yesterday. I was happy.   
[00:46.57]3. M: Lily called her grandma yesterday.                                  
[00:59.00]4. W: Mary is ill. She is sad.                     
[01:10.85]5. M: Zhang Lei helped his uncle on the farm. He was tired.