— You should be careful when ________.
— Yes, I will．I’d like to know when ________ to have a rest.
| A．driving; stopping | B．driving; to stop |
| C．to drive; stopping | D．to drive; to stop |
相关试题
—__________ do you exercise?
—Every day.
| A．How many | B．How much |
| C．How often | D．How long |
I want to go ________ for my winter vacation.
| A．somewhere different | B．different somewhere |
| C．anywhere different | D．different anywhere |
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