—Listen! Someone is playing the piano in the room. It _______ be Kate.—No, it _______ be Kate . She has gone to London. .
— You must _________ your son.— Oh, I see.He must make mistakes at school again.
---It is reported that a Boeing 777-200 plane became lost in communication (失去联系) at midnight __________ the early morning of March 8th.---I was amazed to hear that.
--- Now the government is trying to solve the problem the school bus safety.--- So we believe there will be fewer accidents in future.
--- Do you often watch Man and Nature on TV?--- Sometimes.It’s an interesting program, but I __________Sports News.
--- Is John an ________ boy?--- Yes, he never tells lies.