补全对话。
Li Lei: Oh, it’s you, Lucy. 1._____to see you.
Lucy: Nice to 2._____you, too. Mary.
Li Lei: Come in, please, Mum, 3._____is Lucy, my friend. She 4._____
American. And this is my mother, Lucy.
Mum: 5._____do you do, Lucy?
Lucy: 6._____do you do, Aunt?
Mum: Sit down, please, Lucy.
Li Lei: 7._____ you like 8._____ milk?
Mum: I don’t like 9._____very much.
Li Lei: 10._____would you like?
Lucy: I’d 11._____a pear.
Li Lei: OK. 12._____you 13._____! What 14._____ something to drink?
Lucy: All right.
Li Lei: 15._____it is!
Lucy: Thanks!
