--- Smoking and drunkenness (酗酒) are both bad for people' s health.--- Yes, So we should __ cigarettes and alcohol (酒精) .
Hurry up, _________ you will be late for class.
John is standing ________ Gina and Jim.
He didn’t go to school yesterday _______ he was ill.
Computers ________widely in our daily life.
Do you know ___________?