21.  As for the coffees, the records show that she was never present at a single one.

22.  A couple of profitable movies, sure, but not a single big one.

23.  A single one opens his mouth, I close my eyes.

24.  But Corwin said he could not think of a single one before Bush who proposed expanding it.

25.  But for sure, every single one of them has been touched by the tragedy.

26.  But not a single one reveals an on-line location for the painting.

27.  But not much else is known, except for the fact that college coaches probably will not get a single one.

28.  But she cannot bring herself to throw away a single one.

29.  But the company has yet to sell a single one.

30.  But those who think two pieces of Microsoft paper are worth more than a single one are not right.