A.
B.
C.
D.
E.
F.
—A doll.
—I can see a tree.
—Yes, it is.
—
—No, I .
—No, it's a.
—It's a.
⑴
⑵
⑶
⑷
⑸
— .
—Yes, it is.
—She is Mary. She's a nurse(护士).
A brown bag. Is that your bag, Jim?
Let's go and fly the kite now.
Look! That's a bag.
Yes, thank you.
Great.