根据对话内容，从方框内选择恰当的句子将对话补充完整。(选项中有两项是多余的)

A. Are they yours? B. Where are you going? C. Have you lost anything? D. Tony is looking for his gloves. E. Look! Here's my name "Tony"! F. When do people often lose things? G They're green.

A: Tony. You're in a hurry.  

B: Hello. Ms. Li. I'm going to the Lost and Found Office.

A:

B: Yes. I've lost my gloves.

A: What colour are they?

B:  My aunt gave me as a birthday present.

A: Look! I found a pair on the floor just now.

B: Let me see … Oh. They're mine. Thank you. Ms. Li

A: You're welcome! Look at this nice watch. Is it yours too, Tony?

B: No. it isn't.

A: Please be careful with your things.

B: OK. I will.