21.   Opinion varies widely from one scholar to the next and from one country to another, reflecting patterns of social development.

22.   Opinions vary about the best way to prepare mashed potatoes.

23.   Opinions vary as to why the Aggies have not lived up to expectations.

24.   Opinions vary on the amount of time that should be permitted.

25.   Opinions vary over the cause of grade inflation.

26.   Opinions vary over why.

27.   Opinions vary regarding our good New England stock gone bad.

28.   Opinions vary, and the Securities and Exchange Commission is vague on the issue, which leaves companies scratching their heads.

29.   Opinions vary, however, on pruning H. macrophylla, the mophead and lacecap hydrangeas.

30.   Opinions varied dramatically, which produced muddled rankings.