By the time Alice returned home from America, her son_______from university.

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问题 By the time Alice returned home from America, her son_______from university.

选项 A、had graduated
B、has graduated
C、had been graduating
D、graduated

答案A

解析 by the lame意为“到……的时候(为止)”，可引导时间状语从句。如果从句使用了一般过去时，那么主句通常用用过去完成时，表示“截止到从句动作(表示过去)发生时，主句动作已经完成”或“主句动作持续到从句动作(表示过去)发生之前”，即动作发生在“过去的过去”。根据从句中的returned可知，主句应用过去完成时，即主句谓语动词用“had+过去分词”的形式。故选A。

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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By the time Alice returned home from America, her son_______from university.

英语

普高专升本

Duringthe1920s,peopleinU.S.citiesincreasinglymovedtothesuburbsbecauseofthefreedomprovidedtotheworkersbyauto

Strangethingshappentotimewhenyoutravel,becausetheearthisdividedintotwentyfourtimezones,onehourapart.Youcan

Strangethingshappentotimewhenyoutravel,becausetheearthisdividedintotwentyfourtimezones,onehourapart.Youcan

"Beproudofwhatyoudo,"myfatheralwaystoldme,"whetheryouareabossorafloormopper."WhenIwas15,Igotasummer

Theonlythingnowgetting________offurtherprogressislackofmoney.

Itwasverydifficultforthedriverstoseetheirway________thethickfog.

Ifonlyyou________himwhatIsaid!Hewouldn’thavemadesuchahugemistake.

Butforthestorm,thoseengineers________atthebuildingsiteearlieryesterday.

Inordertohaveenoughmoneytohavebusiness,hesoldhisnewlyboughthouseatauctionevenatasubstantialloss.

Accordingtotheschedule,theplaneforSydney________ateighto’clockintheevening.

下列有关资本成本的表述中错误的有()。

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Thefoodyoueatdoesmorethanprovideenergy.Itcanhaveadramaticeffectonyourbody’sabilitytofightoffheartdisease,