Q51. A book is like _________ mirror.

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Q52. Let us discuss _________ matter seriously.

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Q53. A bird in hand is worth two in ________ bush.

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Q54. In the morning I go for ________ walk.

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Q55. He died without ________ heir.

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Q56. ________ doctor says it is a hopeless case.

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Q57. It was ________ unique sight.

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Q58. It was ________ unit of measurement.

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Q59. It is _______ unjust charge.

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Q60. You should finish your work in _______ hour.

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