Yesterday morning I was just leaving---the telephone rang.
________ 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.