用适当的人称代词和物主代词填空。
1. _____ am a student. _____ name is Millie.
2. Mr Chen is an old man, _____ is happy. _____ coat is very nice.
3. Lily and Miss Xue are good friends. Look, _____ are swimming in the lake.
_____ bags are on the bank.
4. Jill and I are classmates. _____ study at Xiangyushiyan Secondary School. _____ school is very nice.
5. —Hi, Tedy, is this _____ sweater?
—No, It's not _____ sweater. Ask Lily. _____ is under the tree. I think it's _____ sweater.