We________haveprovedgreatadventurers,butwehavedonethegreatestmarchever

发布时间:2020-08-05 00:33:50

We ________ have proved great adventurers, but we have done the greatest march ever made in the past ten years.A.needn'tB.may notC.shouldn'tD.mustn't

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B解析句意:"我们或许还没有证明是伟大的探险者,但我们已取得了在过去的10年里的最伟大的进展。"故应用may not。
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