Thefallinthecostoflivingisdirectlyrelated_____thedropintheoilprice. [ ]

At the last moment, Tom decided toa new character to make the story seem more likely.

How often do you go to a concert?－______ever. I’m not interested in concerts at all.

_______ make a fire with me? They are waiting for us to cook over there.

My sister is only four years old, but she can look after ________ now.