1.  A crop, however, has other benefits.

2.  A drainage ditch, for example, has an impact far beyond itself.

3.  A lot of people still have that image of horseshoe pitchers being farmers in bib overalls.

4.  A Tory conference probably has more than its due share of savers.

5.  A word processing program also has different types of memory.

6.  Abraham Lincoln, too, had many well-documented major depressions.

7.  Alexander, of course, had a keen sense of the value of my commentary.

8.  An electron no longer always had a specific location.