首页
登录
职称英语
Before the flight takes off, all passengers(ask)______ to fasten their seat belt
Before the flight takes off, all passengers(ask)______ to fasten their seat belt
游客
2024-06-25
52
管理
问题
Before the flight takes off, all passengers(ask)______ to fasten their seat belts.
选项
答案
are asked
解析
本题考查的是谓语动词的时态。时间状语从句用before引导,而且从句谓语动词用了一般现在时,故主语不能用过去时态,而应用现在时态。在主句中用一般现在时,通常指现阶段已经计划好或安排好的情况。故可先确定ask用一般现在时。再看主语passengers与谓语ask之间的逻辑关系,应为被动关系。因此填areasked。
转载请注明原文地址:https://tihaiku.com/zcyy/3649392.html
相关试题推荐
Withoutreadingtherequiredbooksbeforeclasses,studentswillfinditdifficu
WewelcomeyouaboardtheEasternFlightandwilldoourbesttomakeyourt
Beforetheflighttakesoff,allpassengers(ask)______tofastentheirseatbelt
Ihaven’tmethim_____thelastcommitteemeeting.A、forB、sinceC、atD、beforeBs
Thoughhe_____wellpreparedbeforethejobinterview,hefailedtoanswersome
Hemightnothavebeenkilledinthetrafficaccidentyesterdayifhe(fasten)___
Jimtoldmehe(join)______thearmytwoyearsbefore.hadjoined本题考查的是动词的时态。主句的谓语动
Notuntilthedaybeforeyesterday_____togiveaspeechatthemeeting.A、heagre
Beforemakingaspeech,weoftenneedtomakebriefspeakingnotes.Youcan
Beforemakingaspeech,weoftenneedtomakebriefspeakingnotes.Youcan
随机试题
ItseemstomethattheAmericansareahighly______people.Mostofthemliketo
[originaltext]Thefocusoftoday’sclassisonanimportantelementinthed
Tothecasualobserverwhotravels,themostvisibletravelandtourismindu
七氟丙烷灭火剂主要通过抑制燃烧的化学反应过程,使燃烧的链式反应中断,达到灭火的目
暑湿流注,治法应选A.清热解毒,凉血通络 B.解毒清暑化湿 C.和营活血,祛
清营汤与导赤散的共有药物为A.银花、连翘B.木通、甘草C.玄参、麦冬D.生地黄、
最早提出“行动研究”这一概念的是( )。A、梅依曼 B、拉伊 C、凯洛夫
下列计量器具,属于施工企业最高计量标准和用于量值传递的A类计量器具的有( )。A
某工程施工至某月底,经偏差分析得到费用偏差(CV)>0,进度偏差(SV)<0,
粗装修消防验收,是对( )等验收,是对消防设施的功能性验收。A.消防设备和干线
最新回复
(
0
)