As we know, no matter how a man is, if he doesn’t learn, he knows nothing.
I hate ______ when people talk with their mouths full.
Few pleasures can equal _____ of a cool drink on a hot day.
I found _______impossible for _______to work out the maths problem.
Give the message to ______ is at the table.
We should always keep ______ well-informed of the changing information.