How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

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问题 How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

选项 A、when
B、since
C、before
D、until

答案C

解析 before常可用于将来时态，表示“才；就”，如：It will be several weeksbefore you are used to the new life in college．几个星期后你就会适应大学里的新生活了。 A．when一般不与将来时态连用；B．since常与现在完成时连用；D.until直到，用在此处意义不符。

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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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How many more decades will have to pass______ scientists succeed in providing a cure for cancer?

英语

普高专升本

InonlytwodecadesAsianAmericanshavebecomethefastestgrowingUSminority.Astheirchildrenbeganmovingupthroughthen

(非英语类学生必做)IarrivedintheUnitedStates【61】February6,1986,butIremembermyfirstdayherevery【62】Myfriendwaswa

Sheispleasedwithwhatyouhavegivenherhusbandand______youhavefoldhim.

A、Cantheteachermakehimselfeasilyunderstood?B、Howdoestheteacherdealwithstudents?C、Iswhatistaughtnew?D、Arestud

Amajorincentive(动力)forcollegeattendanceisthebeliefthatitwillprepareyouforacareer.Chancesarethatthecareery

Acollegeoruniversity’sinternationalstudentofficeisagoodplace【31】gettingtoknowtheschoolandthecountry.Let’s【32】s

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Theexhibitionofpoorsportsmanship______asenseofdisgustinailwhowitnessedit.

AsfortheFlatEarththeory,IbelieveIcan______itwithmyownexperiencesofnavigation.

位于浪溅区的码头面板、桩等细薄构件的混凝土保护层最小厚度通常取用()。

A、fromhiscartrunkB、yourroomtemperatureC、foravacationtripD、increasegreenhousegasproductionE、reduceenergyuseF、yo

政府在公共物品供给过程中的主要责任有()。

国外学者伊丽莎白·库布勒·罗斯总结了个人在接受自己不可避免的死亡或他人的死亡时会经历的心路历程，其中不包括()。

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