句型转换。

1. There are some flowers on the desk. (改为一般疑问句)

    ________ there _________flowers on the desk?

2. The dog is black and white. (对划线部分提问)

    ________ _________ is the dog?

3. There is a box in the room. (改为复数)

    There _________ _________ in the room.

4. This is not her book. Is this your book? (同义句)

    This book is not ________. Is this book ________?

5. The students are in the classroom. (对划线部分提问)

     _________ _________ the students?