A man escaped from the prison last night. It was a long time ______ the guards d

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问题 A man escaped from the prison last night. It was a long time ______ the guards discovered what had happened.

选项 A、before
B、until
C、since
D、when

答案 A

解析考查It is...before的用法。犯人越狱发生在警卫发现之前，It is...before意为“(……之后，)才……”，符合题意，为正确答案，又如：It was several months before I was fit for the job．(几个月后我才适应了这工作。)until意为“直到……为止，直到……才”，一般不用于It is...until肯定句中，例如：They drank on until midnight(他们一直喝到半夜。)

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A man escaped from the prison last night. It was a long time ______ the guards d

Taylorwasarrestedand______sentencedtothreeyears’imprisonment.A、successi

______wasdrunkagainlastnight.A、ThatbrotherofyoursB、ThatyourbrotherC、

Theprisonerpleadedthathe_____allowedtoseehisfamily,whodidnotknowo

John’sscoreonthetestisthehighestintheclass;he______lastnight.A、mus

"Tinalooksespeciallyprettytonight.""Yes,shealwayslooksherbestin_

It’stime__aboutthenoisepollutionlateatnight.A、somethingwillbedoneB、

Whywastheyoungwomanheldupinthefederalimprisonmentcenter?[originaltex

Whatisthenewsmainlyabout?[br][originaltext]Twooftheprisonersrel

Whatisthenewsmainlyabout?[originaltext]Twooftheprisonersreleased

Nobody______theguardswasinthebuilding.A、butforB、apartfromC、exceptD、i

[audioFiles]audio_eufm_j95_001(20082)[/audioFiles]A、Thehighpriceofgas.B、Th

DorisLessingwasbornin1919inPersia,movingasachildwithherfamily

ArtificialIntelligence(AI)A)Weoftendon’tnoticeit,butartificialint

C

均衡价格理论是价格原理的核心内容，在理论上可以把房地产的供求状况分为()类。A

共用题干 KnittingMymotherknewhowtoknit

下述物质内生致热原的是A:革兰阳性细菌产生的外毒素 B:革兰阳性细菌产生的内毒

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患者，女，50岁。因燥热蕴肺导致痰黄而黏，不易咳出，胸闷气促，声哑喉痛。治当清肺

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根据《建筑工程质量管理条例》，在工程项目建设监理过程中，未经监理工程师签字，（　