81. John advised to try her best to learn English.
82. Having nothing else to do, we decided to go for a walk.
83. Costly as it may be, we must do something about the problem.
84. At all costs you must be at the airport bay 2 o'clock.
85. I dread to think what might happen next.
86. It was Peter who brought the mistake out to me.
87. If you hppen to be in London come and see me.
88. No matter how hard Fred tried, he couldn't start the car.
89. When i heard her speak. it made aprofound impact on me.
90. I wasn't in favor of the idea.
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