---I’m sorry I broke your mirror. ---oh, really? ___
_________ 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.
It is those who are _________ of the matter that should answer for it, so don't be worried.