---Excuse me, does Mr. Zhang’s son live here? ---He________ be here, but he has moved?
My sister is ____ more outgoing than me.
---_________is it from our school to the subway station? --- About 8 miles.
-- Who’s singing in the next room? --- It ____ be her . She went to New York yesterday evening
Do you know _____?
It _____ me more than one hour to read the book yesterday.