题目内容：

句型转换

1.Kate is seven this year(对划线部分提问)

________ ________ is Kate?

2.My mother is a teacher. (改成一般疑问句)

________ ________ mother a teacher?

3.What’s the price of the sweaters? (改为同义句)

________ ________ are the sweaters?

4.That boy is my friend. (改为复数句)

________ ________ are my friends.

5.He does homework after school. (改为否定句)

He ________ ________ homework after school.