The child is only 4 years old, he is not old enough to___ himself.
Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.
About 20 firemen were killed in the fire which broke ______in Yueyang, Hunan Province last week.[ ]
Is there ____ in today’s newspaper?
We will only discuss such problems___________something to do with our own interests.