11.   Indeed, many of the complex molecules of which they are composed would be liable to fall apart.

12.   Last week Couples left his clubs in the bag, relaxed and watched basketball, of which he is a great fan.

13.   Like the ascetic movement of which it was an outgrowth, monasticism had its origins in the Middle East.

14.   Now he heads an organization of which she is honorary president.

15.   Of critical importance is that the studio continues to attract gifted animators.

16.   Of equal importance are the relative amounts of assimilation and accommodation that take place.

17.   Of primary importance were the clay pots, so much better suited as containers than the skins and baskets employed by hunters.

18.   Of what value is the evidence for our particular purposes?

19.   One involves the scientific study of which women are likely to keep their own last names after Marriage.