If _____ to look after luggage for someone else, inform the police at once.
They were the last guests _______that day.
You are_____ to hand your paper in before the class is over.
The father as well as his three children____ skating on the frozen river every Sunday afternoon in winter
The little girl ______go to the cinema rather than ______ at home alone that night.
The alarm ________ when the thieves got in.