首页
登录
职称英语
The classroom is empty, so the students______have gone to the laboratory.A、ought
The classroom is empty, so the students______have gone to the laboratory.A、ought
游客
2023-10-01
61
管理
问题
The classroom is empty, so the students______have gone to the laboratory.
选项
A、ought to
B、must
C、should
D、could
答案
B
解析
本题考查情态动词的用法。“情态动词+have done”表示对过去行为的推测。根据句意,must have done符合题意,是对过去行为的肯定推测。ought to/should have done sth.意为“过去应该做某事却未做”;could have done sth.用于虚拟语气,意为“本来能够做某事却未做”。
转载请注明原文地址:https://tihaiku.com/zcyy/3061518.html
相关试题推荐
MissWangcameintotheclassroom,(follow)______agroupofstudents.following本题
Sofar,fivestudentsinourclass_____thecommunistpartyinourclass.A、join
Sheistheonlyoneofthestudentswho(be)______goodatpainting.istheonly
Hebroughthis(collect)______ofstampstotheclassroomtoshowoff.collectio
Thenumbersofstudentsofeachclassrange______10to20.A、withB、fromC、upD
Whatarethestudentsaskedtodo?Theyareaskedto______.[br]WherewillMr
Whatarethestudentsaskedtodo?Theyareaskedto______.[br]Whatwillthe
Thestudents______theirpapersbytheendofthismonth.[originaltext]时态[/orig
Sometimesstudentshavegreatdifficultyin______factsfromfictionandoften
Moststudents______totheSummerCampweregoodstudents.A、invitingB、inviteC
随机试题
______isknowasthe"AllEstatesParliament".A、TheParliamentof1265B、TheP
Formanypeopletoday,readingisnolongerrelaxation.To【C1】______theirwo
傣族的泼水节(Water-SplashingFestival)是在四月十三至十五号,这三天也是他们族的新年节日。傣族的节庆活动一共分三个层次,一天一个
Theword"open"isreallyusedalot.You’veprobablyheard"openup"inman
Forthispart,youareallowed30minutestowriteanessayonecologicalcivili
A. B. C. D.
经过50多年的发展,我国台湾地区资本市场建立起由“证券交易所集中市场—上柜市场—
沙盘推演测评中,被试者的热身时间被控制在( )小时左右。A.0.4 B.0.
在采用风险加权打分的方法对国别风险进行衡量时,由于风险因素设置不同和赋予权重的差
通信电源系统由()组成。A.交流供电系统 B.直流供电系统 C.机房照明系
最新回复
(
0
)