A: I have some clothes here. Whose are they? Look! Here's a blue sweater. Is this yours, Ann?
B: No, it's not mine. Mine is black. I think it's his.
C: Yes, it's mine, Mr. Smith.
A: Here you are, Jim. You must look after your things! Now, this blouse, whose is this white blouse?
D: It's mine, Mr. Smith.
A: OK. Here you are. Put it on, please. What about these grey socks? Are they yours, too, Amy?
D: They look like mine, but not. I think they're Mary's
A: Is that right, Mary?
E: I think the red ones are mine, the grey ones are Bruce's.
A: Here you are, Bruce! You must look after you things! Oh, where is my brown hat?
B: Here it is! On your head!
A: Oh, dear! Thanks a lot. Let's go and play together.

1. Whose is the blue sweater?

A. Ann's.
B. Jim's.
C. Amy's.
D. Mary's.

2. How many children are there in the dialogue (对话)?

3. Who is D?

A. Mary.
B. Jim.
C. Bruce.
D. Amy.

4. What colour is Mr. Smith's hat?

A. Brown.
B. grey.
C. Blue.
D. Black.

A. It's on the desk.
B. It's in his hand.
C. It's on his head.
D. We don't know.