题目内容：

句型转换

1.There are a_hundred people in the hall. (对画线部分提问)

________ ________ ________ ________ ________ in the hall?

2.These are her books.(改为同义句)

These ________ are ________.

3.The new camera is Mark's_father's. (对画线部分提问)

________ ________the new camera?

4.These are Jack's books. (改为一般疑问句并做肯定回答)

—________ ________ Jack's books?

—Yes, ________ ________.

5.Are these magazines your father's? (做否定回答)

No, ________ ________.