________ you interrupt now? Can’t you see I’m on the phone?_ Sorry, Sir, but it’s urgent.

As we all know, it is usually cold in this place in January, but it _____ be warm sometimes.

  —The winner is a tall and thin boy with glasses!—Well，it________ be Mike.  He doesn’t wear any glasses.

Why______ you do everything as if you have to win?

If you won’t do as I told you, you____ not go to the party.