chair
                    - The cat is _____ the chair and the sofa.[ ]
 - If you sit in a chair _____ a long time, your back may begin to hurt. [ ]
 - Is your ball on the chair?—No. It’s ______ the chair. [ ]
 - The ruler is just the chair, on thefloor. Can you see it?[ ]
 - Where’s the chair? —It’s the floor.[ ]
 - His backpack the chair.[ ]
 - This chair is black and that is orange chair.
 - The books on the chair __________ Mike’s, right?—Yes, they are.