Unit2 This is my sister课后练习（二）
题一：--Is Jack your friend?—Yes, ______ _is.
A.Ja ck B. she C. he D. it
中译英：
1.这些是我的兄弟和姐妹。
2.那些是你的笔记本吗？
题二：---Is he your brother?
---_____________.
A. Yes, it is B. No, it isn’t C. Yes, he is D. No, this isn’t
题三：Thes e are my parents, Alan ____Mary.
A. a nd B. or C. but D. with
