________an advertisement says, remember that there is ________as a free lunch in the world
It is well-known to us all that knowledge is __ treasure, but practice is ___ key to it.
— Do you have Mary's address? — Sorry, I don't have it ______ me at present.
.Tom took the police to the spot ____ the accident happened.
You think you’re poor, but look at people in really poor countries—it’s all ____.
.The large grassland, reaching out far away, looks extremely beautiful _______ the blue and clean sky.