—Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.

Facts prove that the world’s economic development is not a win-lose game but one in which all ______ be   winners. 

We        the difficulty together, but why didn’t you tell me?

The boy insisted that he __________ nothing wrong and that he __________ at once.

If you love someone, why ______ you chain him to your side, control his emotion, and even make him center on you?