将下列句子变成同意句。

1. This is my pink sweater.

    This ______ sweater is ______.

2. Are these your oranges?

    Are these ______  ______?

3. Whose shoes are these?

    ______  ______ these shoes?

4. Those are our coats.

    Those coats ______  ______.

5. This is their classroom.

    This ______ is ______.

6. There are four books in my bag.

    I ______  ______  ______ in my bag.

7. Do you have any pencils?

    ______  ______ any pencils in your pencil-box?

8. Is that her bike?

    Is that bike ______?