题目内容
用适当的代词完成下列句子。
-Is ________ your sister?
-Yes, she is.
This is my mother. ________ name is Anna.
-Is this your brother?
-No, it isn't. He's ________ friend.
-Is Li Lei your friend?
-Yes, ________ is.
-Is this ________ sister?
-No, she's my cousin.