There is no doubt that a small child has to learn to keep its _________ before it can walk far.
—Amy, please tell the people ______ for their turns to come to my office five minutes later. — Yes, sir.
The organizers promised ______ won the first prize would have a chance to go abroad.
Three suspects ________ in the terrorist attack in Kunming have been caught.
According to the new law, people found putting up “harmful” ads on the streets _______be punished.
—Did you watch the film Frozen on the Internet yesterday? — No, I _______my mother do housework all day.