30.The coach, because of the driver’s carelessness, was __________ and crashed over the cliff on such a cold December morning.
According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.
What ________surprise you gave us by wearing such funny________ at so serious a meeting!
--- How about the debate held in your class? --- ______
Knowledgeable as he is, the expert was unwilling to offer advice to ______ he thought was not qualified.
Don’t ______ life’s small joys while searching for the big ones.