—I remember you were a talented pianist at college.Can you play the piano for me?—Sorry，I ________ the piano for years.(2012·湖南)

— Alvin，are you coming with us?—I'd love to，but something unexpected ________.

 —Look！Somebody ________ the sofa.—Well，it wasn't me.I didn't do it.(2012·江西)

— Is the meeting held in Room 302 or 303 ?— It should be 302. But I hear that it _____ till tomorrow. 

The famous reporter, who is said to go back to America next month, _____in China for almost twenty years.