Mary was much kinder to Jack than she was to the others, ____ , of course, made all the others upset.(2011.北京 )
____ the problem of method is solved, talking about the task is useless.
Where have you been ____ you left home?
____ you told me, I had heard nothing of what happened.
He ran off____ I could stop him.
We should pay attention ____ to industry ____ to agriculture.