—Is this ______ model plane?—No, it isn’t ______.
The firemen ____the fire as soon as they got to burning buildings.
Has he ever been heard __about his trip to the lonely island?
Children can play “trick or treat” games on ____in western countries.
It’s _____ unusual day for him to get ______ useful stationery.
—Look at the sign. It says “No Parking”.---- .