I haven’t gone back to my hometown _______I left it in 1993.
| A．when | B．since | C．as | D．till |
Ask the teacher _________ your keys.
| A．to | B．of | C．for | D．in |
Is this your bike _________ Mary’s?
| A．and | B．or | C．but | D．of |
Your school bag is nice. _________________
| A．Yes, it is | B．Thank you |
| C．That’s right. | D．Oh, no. |
This is ________ MP4. Yours is over there.
| A．my | B．me | C．I | D．mine |
Is he your teacher? ________________.
| A．Yes, it is. | B．No, it isn’t |
| C．Yes, he is. | D．No, this isn’t. |