Li Lei didn’t meet the famous American professor_____ he was on holiday in America last year.

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问题 Li Lei didn’t meet the famous American professor_____ he was on holiday in America last year.

选项 A、unless
B、until
C、if
D、whether

答案B

解析本题考查的是由not…until引导的时间状语从句，表示“直到……才”，故B项为正确答案。又如：Ididn’t sleep until my mother got home．(直到妈妈回到家，我才入睡。)如果放于句首，句子要倒装，如：Not until mid-night did his father stop working．(直到午夜他父亲才停止工作。)

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本试题收录于：大学英语三级A级题库大学英语三级分类

大学英语三级A级

大学英语三级

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Li Lei didn’t meet the famous American professor_____ he was on holiday in America last year.

大学英语三级A级

大学英语三级

A—InternationalLogisticsB—DistributionChannelsC—GlobalMarketingD—ExcessCapacity

Thesalesserviceincludesinstallation(安装)andtrainingwithinoneweekofreceivingtheorder.Onthedayofinstallation,ou

Today,rollerskatingiseasyandfun.Butalongtimeago,itwasn’teasyatall.Before1750,theideaofskatingdidn’texist

Weshouldpreferthem(come)______nextweek.

Thepoliceforcedtheirwayintotheroom，onlytofindthesafeempty．

Theyregard______astheirdutytoprovidethebestservicefortheircustomers.

DearSirs,IwillgraduatefromtheShanghaiInstituteofForeignTradethisyear.AsastudentofEnglishforBusiness,Ih

A—BudgetforMayB—FixedExpensesC—Rent$210.00D—Electricity$22.00

Accordingtothewriter,whenmanfindsitimpossibletolivetogetherwithotherspecies,heusually______.Accordingtothew

Wearesurethatthisisthebestofferwecanmakeandthatnootherfirmscanofferyoubettertermsthanthese.Atpresentwe

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