—How far can you run without stopping?
—_________. I’ve never tried.
| A．Don’t mention it. | B．That’s all right. |
| C．I have no idea. | D．Go ahead. |
In some Western countries shops are closed ________ weekends．
| A．in |
| B．to |
| C．at |
| D．with |
Our teacher always helps us ________ our English．
| A．for |
| B．into |
| C．on |
| D．with |
The desk is not dirty．You ________ clean it．
| A．mustn’t |
| B．shouldn’t |
| C．needn’t |
| D．can’t |
He is very good ________ the children．
| A．for |
| B．to |
| C．at |
| D．with |
Miss Read is good ________ music．She can be good ________ children in the music club．
| A．at；at |
| B．with；with |
| C．at，with |
| D．with；at |