America will never again have as a nation the spirit of adventure as it ______ before the West was settled.

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问题 America will never again have as a nation the spirit of adventure as it ______ before the West was settled.

选项 A、has
B、did
C、was
D、would

答案B

解析根据题干中的before the West was settled可知，此空的时态应是过去时，由此排除A 。再根据语法结构可知，as后接从句肯定有省成分，应是：“as it had the spirit of adventure...”，其中had应用与其时态一致的助动词did来代替，故答案为B 。

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专业英语四级

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America will never again have as a nation the spirit of adventure as it ______ before the West was settled.

专业英语四级

ChrisBaildon,tallandlean,wasinhisearlythirties,andtheend-productofanolddecayedislandfamily.Chrissharedt

TheMastersofBusinessAdministration(MBA),thebest-knownbusinessschoollabel,isanintroductiontogeneralmanagement.Th

Thereligionofaboutoneeighthoftheworld’speople,Buddhism,isthenameforacomplexsystemofbeliefsdevelopedaroundt

Airpollutioninvolvesthereleaseintotheatmosphere【C1】______gases,finelydividedsolids,orfinelydispersedliquidaero

Thefitnessmovementthatbeganinthelate1960sandearly1970scenteredaroundaerobicexercise.Millionsofindividualsbeca

Mostchildrenwithhealthyappetitesarereadytoeatalmostanythingthatisofferedtothemandachildrarelydislikesfood【

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Mostpeoplewhotravellongdistancescomplainofjetlag.Jetlagmakesbusinesstravelerslessproductiveandmoreprone【C1】____

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