1.   Even in those countries that recognized the problem and tried to solve it, however, the quality of schools varied immensely.

2.   Obviously its qualities varied considerably and are in any case difficult to assess.

3.   The quality of health care varies greatly.

4.   Although many schools provide vision screenings, the quality can vary.

5.   As performers come and go on the Lilith Fair tour, its strictly musical quality will vary.

6.   Because quality varies so much, some bright college graduates without training would make better teachers than many graduates of inferior education schools.

7.   But be aware that quality can vary greatly within a distict.

8.   But the quality of care varies immensely.

9.   But the quality varied wildly, even in the same meal.

10.   Chinese bureaucracy was practically impenetrable, the availability of raw materials was spotty and quality varied drastically from instrument to instrument.