--- You didn’t hear me until now?
--- No. I must ___________ soundly(沉) when you came in.
---Jack bought a new mobile phone the other day.
---______? That’s his third one in just one month.
---My flight was delayed because of_______ heavy rain．
---But you are just in_______ time for the discussion．
--Has the train arrived yet?
--No, it ought to ___ twenty minutes ago.
—What do you think of the play?
—Terrible! I’ve never seen _________ one.
---How do you find the movie you saw last night?
---_______. I just saw half of it
---Is Pro.Smith giving the speech today?
---It__________ be him. He is abroad right now.
— Guess what? Tom has failed in the exam _______ second time.
— How come? He is ______ second to none in English in our class.
--The apple tastes very nice. Could I have another apple, Sir?
--_________.
—Hurry up! There's a bus coming!
—Why run? There will be ________ one in two or three minutes.