The fact that people are afraid to go out at night is often a result of perceived (感知) danger ________actual danger.
There's a strong possibility _________he'll get promoted. If so, let'scongratulate him.
_________ so busy, she would come to help you.
Without the air to hold some of the sun's heat, the earth at night _________,too cold for us to live.
_________his teacher, Li Ming wouldn't have passed the Englishexam so easily.
The beautiful lady _________ to be a skilled thief.