---Is that Mr Smith?---It __________ be him. He is in New York on business these days.
— What do you think of our performance on the New Year’s Evening party? — Perfect! I don’t think I can see a ________ one.
—Whose iPhone 6+ is it? ——________ . I'm looking for it here and there.
They said they would have ____________ holiday.
There are no words to describe______ I miss my hometown.
I don’t know if he ____ tomorrow. If he ____, I’ll tell him about it.