81.   France strongly condemned the massacres in a statement Monday that called on the Algerian government to do its duty to insure the security of the civilian population.

82.   For the high school or college-bound student, portable computers do double duty.

83.   Gen. Colin Powell is, moreover, a soldier accustomed to doing his duty.

84.   Graphing calculators often do double duty as game machines, and students can be wily when it comes to using them to play.

85.   He designed nearly every panel in the room to do double duties.

86.   He did his duty to his country.

87.   He even did duty as pallbearer, since no one else would.

88.   He credits his faith for his survival, but also a determination to do his duty.

89.   He politely offered many arguments that the attorney general could easily seize in order to do her duty.

90.   He said he explained his background in military intelligence to Israeli and U.S. authorities, and was advised by both to do his duty.