---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.

 ______ Tom be in his office so late at night ?

—Hurry up, Mum. The lights are turned on. Dad has been back.—It _________ be him. He has gone to Shanghai.

(2013·四川省都江堰市二模)—Mike, I can't find my watch anywhere.—You ________ it while working out.

— May I take the magazine out of the reading room? — No, you can’t. You _________ read it here. It’s the rule.