—Need I acplish all we have set out to do?—Yes, you ____; otherwise you ____firedA.need; would have beenB.may; need have beenC.can; mustn't have beenD.must; would be
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D解析试题分析：考查情态动词和虚拟语气。句义：我需要把握所做的所有事情都完成吗？是的，必须完成，否则你会被解雇的。Need开头的疑问句的肯定回答：yes，you must,否定回答：No,you needn’t；otherwise=if you didn’t pcplish …,是对将来的虚拟，所以主句应为：would do ,所以D正确。考点：考查情态动词和虚拟语气。