11.  The sportswriters loved him because of his inexhaustible supply of quips.

12.  Trading for antiques on the Web offers the opportunity to view, if not touch, an inexhaustible supply of items in a short time.

13.  With a seemingly inexhaustible supply of raw weather, Moscow is an excellent place for practicing walruses.

14.  Why do they cooperate sometimes but later fight over an inexhaustible supply?

15.  There seems to be an inexhaustible supply of offshore money, which runs into billions and billions, in the hands of the currency traders, he said.