— It's a.
— Yes, it is.
— No, it isn't.
— , it can.
— It's the box.
⑴a cat A. 在书桌上
⑵in the box B. 在树下面
⑶on the desk C. 一只猫
⑷under the tree D. 会跳
⑸can jump E. 在盒子里
— What's this?
— It's a .
— What's ?
— a .
—What's ?
⑴What's this?
⑵Is this a pig?
⑶Can a fish swim?
⑷Can a sheep fly?
⑸Where is the cow?
A. No, it can't.
B. It's on the farm.
C. Yes, it is.
D. It's a cat.
E. Yes, it can.