| 86. | My voice reverberated ------- the walls of the castle. |
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| 87. | Our tragic experience in the recent past provides an index -------- the state of lawlessness in thos region. |
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| 88. | Are not these slums a disgrace ---------- the civil authorities. |
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| 89. | The problem ---------- housing ------------ India is a complex one. |
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| 90. | Men have made ships that can sail ----------- the sea and fly -------- the air. |
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