三、根据汉语提示完成下列英语句子

1. 这是你的儿子吗?不是。

—Is _____________ your______________?    —No, it’s not.

2. 他是我的好友。

He is my________________ ___________________.

3. 这是我的全家福照片。

This is my _________________ __________________.

4. 那是他的祖父母吗?是的。

—________________ _______________ his grandparents? — Yes, they are.

5. 祝你在学校过得愉快。

___________ _________ _____________ ______________ at school.

四、将句子配对，组成对话。

(     ) 1. Have a good day, Grace.                  A. They are my grandparents.

(     ) 2. Is he your cousin?         B. No, they aren’t.

(     ) 3. Mom, these are my good friends Cindy and Dale.  C. Yes, he is.

(     ) 4. Who are they?         D. Thank you.

(     ) 5. Are those her brothers?     E. Nice to meet you, Cindy and Dale.