⑴Who's this? A. That's Peter.
⑵Who's that? B. OK.
⑶Pass the ball, Cathy. C. Hello, Wang Li.
⑷This is Wang Li. D. This is Bob.
—_______ Tommy.
— That's Tommy.
—This is Cathy.
he she this that cousin
is Amy.
is my friend.
That is Uncle Booky
is my uncle.
Yes, is my .