—What class are they having?
—Math. Their math teacher is _____ the classroom.
| A．in the front of | B．in front of | C．on | D．behind |
It isn’t ______ notebook. It’s ______ notebook.
| A．my; your | B．my; you |
| C．me; your | D．me; you |
—______, Bob. What’s this? —A map.
| A．Excuse me | B．Nice to meet you |
| C．Thank you | D．OK |
—_______that your backpack?
— No, _________. It's his backpack .
| A．is, it isn't | B．Is, it isn't |
| C．Are, it is | D．are, it is |
Please ____ Mary ____ 687—8068.
| A．give, at | B．call, to |
| C．call, at | D．telephone, for |
— Is this your bag? —_________.
| A．Yes, it is. | B．No, it is. |
| C．No, this isn’t. | D．Yes, this is. |