He______ten lectures on American history, but he only gave two because of his illness.

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问题 He______ten lectures on American history, but he only gave two because of his illness.

选项 A、might have given
B、could have given
C、should have given
D、must have given

答案C

解析情态动词题。might have done表示“过去可能发生的事情”，实际上没有发生，含有责难之意；could have done表示“过去能做某事而实际上没做”，含有遗憾之意；should have done表示“过去本应该做某事”，但事实上未做；must have done表示对过去情况肯定的推测，意为“肯定做过某事”。根据句意应选[C]。

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专业英语四级

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He______ten lectures on American history, but he only gave two because of his illness.

专业英语四级

Whichofthefollowingunderlinedpartsisusedasanadverbial?

WhichofthefollowingsentencesindicatesPERMISSION?

Whichofthefollowingsentenceshasasubjectcomplement?

______thefinancialmeanstoremainindependent,ThomasEdisonwascompelledtoseekemploymentasanighttelegraphoperator.

[A]benefits[B]different[C]eventually[D]instruments[E]moving[F]multiple[G]unsalaried[H]number[I]paid[J]

Fatcannotchangeintomuscle______musclechangesintofat.

Throughoutourlives,mothersaretherewithanencouragingword,asympatheticear,anda(n)______heart.

Fortheadvertisedposition,thecompanyoffersa(n)______salaryandbenefitspackage.

Goodtravelersdon’tleave______ontrainsorairplanes.

Ifyouareanenergeticpersonwithstrongviewsconcerningtherightwayofdoingthings,youfindyourself______understress.

Italktostrangersforalivingandlovethechallengeofgettingtheirstoriespublishedinnewspapers.I’vebeenmarriedfor

患者，女性，19岁，因甲状腺肿大就诊，查甲状腺Ⅱ度肿大，无结节，TSFI在正常范围，甲状腺功能正常，可能的诊断是()。

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下列不属于公安机关治安行政处罚措施的是()。

A.弥散障碍B.第1秒用力呼气率减低C.两者均有D.两者均无支气管哮喘

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