54._________A. reasonB. dutyC. necessityD. task

The author is showing his______in writing this passage.A．reasonB．rageC．worryD．objection

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His sense of ________stopped him from leaving the post.A、responsibilityB、dutyC、obligatio

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_________（47）A.The task according to Kristy was t

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_________（48）A.The task according to Kristy was t

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_________（49）A.The task according to Kristy was t

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_________(65)A.role B.dutyC.service D.function

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54._________A.reason B.duty C.necessity D.task

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