71.   A lot of things of great importance happened then.

72.   Aides to Giuliani said he was attaching great importance to the speech, which in its lengthy discourse on foreign policy seemed more presidential than senatorial in its ambitions.

73.   But it has great practical importance, experts said.

74.   But my ticket to practice law was of great importance.

75.   But their duties are often of great importance to certain constituencies.

76.   But there may be subtle differences of great importance.

77.   Diplomats at the U.N. believe that the Egyptians place great importance on their stand against Israel at the conference in part to bolster their leadership in the region.

78.   Dr. Frederick Chaffee, director of the Keck Observatory in Hawaii, ascribes great importance to the search for extraterrestrial life and habitable planets outside the solar system.

79.   Each, of course, has great importance on its own.

80.   Each student had to choose a date of great importance in his or her country and explain its significance.