11.  Ms. Sezer uses a collaborative teaching approach that has been so successful that La Guardia uses it in all remedial math classes and many regular ones.

12.  Ms. Sezer uses a collaborative teaching approach that has been so successful that La Guardia uses it in all its remedial math classes and many regular ones.

13.  Still others got the new vaccine in a dose four times as large as the regular one.

14.  The customer might be offered a cheeseburger instead of the hamburger, for example, or a double cheeseburger instead of a regular one.

15.  The mint condoms are now being taken at a faster clip than the regular ones.

16.  The latter is heavier than a regular one and much more effective.

17.  The regular ones.

18.  There has been no requirement for labeling bags of seeds, although modified seeds sometimes get mixed in with regular ones.

19.  This is a special keyboard for the price of a regular one.

20.  This is the region that helps determine whether you prefer bow ties to regular ones, fishing to golf, basketball to surgery.