--______ do you play sports?
--Twice a week.
| A．How often |
| B．How long |
| C．How much |
| D．How many |
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 |
If you have any questions，please call Ken ________8685-3126 ________ the evening．
| A．on；on |
| B．on；in |
| C．at；in |
| D．in；at |