Where is my raincoat? -I don’t have the slightest idea.______ the room?

______ do you go shopping, Mary? — Twice a week.

What’s wrong ______ you, Danny?[ ]

October 31st is _____ Halloween, it’s _______ interesting festival for children.

The article is ________ more difficult than that one, so I think I can understand it with the help of a dictionary.