1. She was _______ liar who had mastered the art of making untrue statements in a manner they sounded _______.   Hint Dica       2. The air-conditioning unit was operated so as to strike some balance between the danger of _______ electricity bills and the desire of employees to be comfortable during the summer months.   Dica       3. The educational system had _______ over a period of time when the authorities got preoccupied with petty politics and did not bother to update the curriculum.   Dica