用代词的正确形式填空。

1. Can you come with _______( I ).

2. These books are _______ ( they )

3. We are going to work in _______ ( we ) school factory tomorrow.

4. The books are new;  take care of _______ ( they )

5. The chair has lost one of ___________( it ) leg.

6. These books are _________( we ), ________ ( they ) are over there.

7. Bill put _______( he ) poster at the back of the classroom.

8. This is not __________ car, ________ is at home. ( I )

9. —Is this football __________( Mike )? 

    —No. _______ is under the tree. (he)

10. —What is ______________( your mother ) job?

      —She is a cleaner.