--- I wonder if I could pay the bill by check.
--- ______. The card machine has just broken down.
| A．No problem | B．Take your time | C．Never mind | D．I’m sorry |
Several weeks had gone by___he realized the painting was missing
| A．as |
| B．before |
| C．since |
| D．when |
The thief___her purse and ran away
| A．picked |
| B．selected |
| C．snatched |
| D．elected |
He said that the film is worth___a third time
| A．to see |
| B．to be seen |
| C．being seen |
| D．seeing |
It is not___to discuss the question again and again
| A．worth |
| B．worthy |
| C．worthwhile |
| D．of worth |
Nuclear power will___our health and safety if improperly used
| A．do harm to |
| B．do good to |
| C．do wrong to |
| D．do use to |