古有一人,无论做何事均问阴阳先生,看是否吉利。一日,他被塌墙所压,请邻人救。邻人曰:“先问阴阳先生,今日是否宜动土?”这一故事启示我们( )
________ he told the truth this time, nobody was willing to believe him because he often told lies.
—Excuse me! Could you move your bike? It’s ______the way. --Sorry. I’ll do it at once.
Though he thought math was very difficult, he never _______it ______.
—Mom, I wonder ________. —Baby, I think you should study harder.
_________ our earth less polluted, or we will lose our home.