I______have written to him because he phoned me shortly afterwards.

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问题 I______have written to him because he phoned me shortly afterwards.

选项 A、needn’t
B、oughtn’t to
C、wouldn’t
D、shouldn’t

答案A

解析 needn’t have done sth．表示过去做了某事，但事后证明没有必要做。oughtn’t to／shouldn’t have done sth．表示过去做了不该做的事；wouldn’t have done sth．用在虚拟条件句过去时的主句中，表示如果具备了所指的条件就不会做某事。

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考博英语

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I______have written to him because he phoned me shortly afterwards.

考博英语

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Histotalworldlypossessions______littlemorethantheclotheshestoodupin.

TheearthquakethatoccurredinIndiathisyearwasamajorcalamityinwhichagreatmanwaslost.

"Dimpy,"asherfriendscallher,heardaboutthehazardsofsmokinginhealthclass."Theyshowedpicturesoflungsofpeoplew

Althoughthetwocompaniestalkedabouthowlittle______.thereisbetweenthem,theystillexpecttoeliminateabout10000pos

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To______thebeautifulsceneinwordsisimpossible.

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A．鼠疫、霍乱B．艾滋病、霍乱C．麻疹、肺结核D．风疹、狂犬病E．丝虫病、流行性感冒属于乙类传染病的是

A．专题小组讨论B．观察法C．深入访谈法D．问卷法E．头脑风暴法容易产生“趋同”效应的是

足内斜位摄影时，足底与暗盒的夹角为

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