听音，选择正确的单词。
（1）A.bean B.beef
（2）A.tofu B.brown
（3）A.strong B.thin
（4）A.tall B.short
（5）A.boy B.girl
（6）A.Monday B.Sunday
（7）A.food B.fruit
（8）A.pork B.vegetable
（9）A.potato B.fish
（10）A.housework B.homework
——Look at the mouse !
——___________________
A. It’s behind the cat B. It’s in front of the cat
——What’s this ?
——_______________________
A. This is a boat B. This is a bike
——Did you play the kite last week ?
——_______________________ 
A. Yes , I did B. No , I didn’t
—— What did you do yesterday ?
——_______________________.
A. I cleaned the room B. I pointed a picture
—— What are you doing ?
——__________________.
A. I’m hereB. I’m reading the book