电子课本网 第26页

第26页

信息发布者:
A: I can hop. Can you? 
B : Yes, I can. I can skip. Can you? 
A: No, I can't .
A: I can skate. Can you? 
B : Yes, I can. I can swim. Can you? 
A: No, I can't .
ride a bike
    skate
   swim
skip
I can sing.                I can ride a bike.
I can't swim.                 I can't skip.