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

Theprisonerstoodthere______.A、withhishandscuffedB、withhishandscuffing

Nobody______theguardswasinthebuilding.A、butforB、apartfromC、exceptD、i

Withallhisworkonhand,he______tothecinemalastnight.A、mustn’tgoB、wou

Whywastheyoungwomanheldupinthefederalimprisonmentcenter?[br][origi

Whywastheyoungwomanheldupinthefederalimprisonmentcenter?[originaltex

Mikelookssosleepyintheclass;he______uplastnight.A、muststayB、should

Amanescapedfromtheprisonlastnight.Itwasalongtime______theguardsd

Pardonme,butSarahmightnotturn______againuntil,say,tonight.A、onB、inC

______ofthetwinswasarrested,becauseIsawbothatapartylastnight.A、None

WhichofthefollowingsentencesisCORRECT?A、Thepartyendedataboutmidnight.

Lucyis______hardworkingthanherbrother,butsheearnsmuchlessthanhim.A、

Youdon’thavetopayhighpricesforairtravelanymore.Therearelotsof

对于蛋白质在水溶液中稳定性的叙述，错误的是()A.可因加入中性盐而降低 B

公安派中，小品文成就最高的作家是（）A.袁宗道 B.张岱 C.袁宏道 D.

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