用所给单词的适当形式填空。

1. ______ (He) pen is in ______ (I) pencil-box.

2. ______ (You) shoes ______ (be) under the bed.

3. ______ (Who) new ruler is this?

4. — Are these trousers _______ (you)? — No, they aren't ______ (we)

5. It's time ______ (go) and play games.

6. This is my pen. Please give it to ______ (I).

7. I have two ______ (baby).

8. Look! That is a ______ (China) car.

9. It is ______ (my teacher) sweater.

10. Now her ______ ( parent) are in America.