⑴This is Mary. She is reading. A.
⑵This is Peter. He is eating. B.
⑶This is GaoWei. He is singing. C.
⑷This is Lucy. She is doing her homework. D.
⑸This is Mike. He is playing football. E.
Hold on, please.
Hello! May I speak to Lucy?
Thank you. Tom, it's me, Lucy.
Lucy, it's for you.