_____ is known to us all is that the old scientist, for _____ life was hard in the past, still works very hard in his eighties.
It’s _______ bad manners to blow your nose at _______ table.
George. W. Bush, _______ President of the United States, is to visit China _______ third time.
Don’t worry if you can’t come to _______ party—I’ll save _______ cake for you.
I can’t remember when exactly the Robinsons left _______ city. I only remember it was _______ Monday.
Sugar is sold by _______ pound, petrol by _______ gallon.