The man was walking along the street he stopped and looked as if whether he was going in the right direction.
you keep away from them, they won’t do you any harm.
——What do you think of Mr. Stone? ——,he is a good man, but sometimes his bad temper is not easy to .
——I’m sorry, Mrs. Smith, I have dirtied your papers. ——.
It was ______ back home after the experiment.
I have been waiting for a bus for such a long time. Wish I _______ a book with me!