Ⅰ

⑴Is Han Mei your classmate?

⑵Who's that?

⑶Are these his friends?

⑷Thank you!

⑸Is that your uncle?

Ⅱ

A. That's OK!

B. My brother.

C. No, they aren't.

D. Yes, she is.

E. No, he isn't. My uncle wears glasses.