For many cities in the world, there is no room to spread out further, ______ New York is an example.

We would hesitate to pull over to the side of the road ________ a stranger in a car wave us down.

Her husband felt it would be silly to __ the colour of the curtains before they had painted the room.

Where is Tom —-He’s left a(n) _____ saying that he has somethingimportant to do.

__ to look after luggage for someone else, inform the police at once.