Every year, _____ people die from illness caused by smoking.
It’s nearly seven o’clock. Jack _____ be here at any moment.
They must have finished the work, ______?
-Is there a fog in the evening?-There ______ be. I’ll make a phone call to find it out.
-The door was open.-It ______ open. I had locked it myself and the key was in my pocket.
.-Mum, I climbed to get the Teddy Bear from the top of the shelf.-My goodness! You ______ yourself. You ______ do that next time.