Can you _________your pet dog at the weekend?
| A．look up | B．look at |
| C．look after | D．look for |
Thanks ________the nice photo ________your family.
| A．for, of | B．of, of |
| C．for, for | D．of , for |
— Is this __________classroom?
— Yes, it’s________.
| A．their, theirs | B．their, their |
| C．theirs ,theirs | D．theirs, their |
—________do you spell computer?
—C-O-M-P-U-T-E-R.
| A．What | B．How |
| C． Where | D． Are. |
—Are these buses?
—________________.
| A．Yes, these are. |
| B．Yes, they are. |
| C．Yes, they aren’t. |
| D．Yes, these aren’t |
— This is my ruler. _________ the blue pens?
— They are Helen’s.
| A．What | B．How |
| C．What about | D．Where’re |