Which floor is your classroom ________?
| A．in | B．on | C．at | D．from |
The poor boy needs his teacher _______ him.
| A．helps | B．helping |
| C．help | D．to help |
________ bedroom is very dirty.
| A．Tom’s and John | B．Tom and John |
| C．Tom and John’s | D．Tom’s and John’s |
They are not _______ pants. _______ are under the bed.
| A．our; Ours | B．your; Your |
| C．theirs; Their | D．her; She |
Tom doesn’t like red pens, so he wants a blue _______.
| A．it | B．that | C．ones | D．one |