61.   Thus far, the tactic has not worked.

62.   Thus far, the tactic has worked.

63.   Tony Magoulas, a spokesman for Radio Shack, said it was too early to tell if the tactic was working.

64.   What the moose thought can only be guessed, but the tactic worked.

65.   We hope the tactic works.

66.   Apart from serious damage to the car, the testing-the-limits tactic worked.

67.   By the time the child has reached puberty, this tactic no longer works and in fact teens may turn the tables on their parents by refusing to eat.

68.   He tanked the fourth set but the tactic worked and the crowd stayed behind him.

69.   His tactic worked.

70.   If Agassi was also trying to slow down Chang, the tactic worked for a while.