51.   Fill in the gaps with ambient light.

52.   Fill little gaps with unshelled walnuts, pecans and almonds.

53.   Foundations now account for one-quarter of contributions to higher education and are fast closing the gap with the largest group of donors, alumni.

54.   Fox has indeed made great strides in closing the ratings gap with CNN in the past year.

55.   For small areas, you can force the grout into the gaps with your finger or a plastic spatula.

56.   Galbraith has long argued that low interest rates are crucial for helping low-income Americans close the wage gap with wealthier workers.

57.   Garner filled in many gaps with recordings preserved by the sports divisions of ABC, NBC and CBS, as well as Westwood One Radio and other outlets.

58.   Georgia Tech must continue to close the gap with Florida State.

59.   He has argued that to fight terrorism successfully, Western nations need to bridge the gap with tolerant Muslim nations and their people.