----Look,Mr.Hu is on the other side of the street. ----It____ be him.He has gone to Lanzhou.
——Please call me at 8:00 tomorrow morning. I’m kind of forgetful. ——Don’t worry about that, you’ll be surely ____.
He ____ writing the paper now. He hadn’t written a single word when I left him ten minutes ago.
——Watch! ——I ____ but ____ I ____ anything unusual.
——“Dear Frank, when will our wedding be?” ——“Ah, when? God knows.” He said, and ____ away from her, walked rapidly away.
You’d better not wear such ties, because they ____ three years ago.