Once the problem _________,all other problems will be solved.
He came home after midnight, and ____, he was drunk. That made his parents very angry.
His best-known work that is ____ all praise is on show.
— When did you first meet Tom? — On May 2, ____, the first day I came to this city.
— I’d like to go home now. — Why not stay here for the night? It is so late now. ____, it is raining so hard.
I can’t tell you the exact time when I will get there. ____, I’ll be there as early as I can.