—What made little Tony so unhappy and cry in his room?— ______ to go hiking with his brother.
I lost sight of Wang Ping when we reached _______ looked like a large market.
Come and see me whenever _______.
He found them at a table chess.
happened to be no one in the building when the fire broke out.
—Did you enjoy staying with your friend last week, Lily?—Yes. I _______ with him for a long time.