-Must I turn off the gas after cooking?
- Of course. You can never be ______ careful with that.
| A．enough | B．too | C．so | D．very |
The accident happened on such an evening with strong winds __________ by heavy rain.
| A．appeared | B．happened | C．accompanied | D．mixed |
She was so sad because she failed in the math test. Let’s ______ her
_______.
| A．leave … behind | B．leave … alone |
| C．leave … aside | D．leave … out |
Tom thought it was an honor ___________ to speak in the ceremony.
| A．to invite | B．to be invited | C．inviting | D．having invited |
Tom raised his handsto say something, but he remained silent in the end.
| A．even if | B．as if | C．so that | D．now that |
The poor man , ________，ran out of the dark cave.
| A．tiring and frightened | B．tired and frightened |
| C．tired and frightening | D．tiring and frightening |