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
2024-07-14
40
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/3676761.html
相关试题推荐
MostAmericanstudentsare______tospend180daysayearatschool.A、intendedB、
Thestudyshowsthatsomestudentshavedifficulty______longEnglishtexts.A、re
Ihaveno(object)______tohisstayingintheclassroomaslongashekeepsquiet
Accordingtoa【B1】______,about25percentofcollegestudentshaveapart-t
Accordingtoa【B1】______,about25percentofcollegestudentshaveapart-t
Accordingtoa【B1】______,about25percentofcollegestudentshaveapart-t
Theprofessor,alongwithhisstudents,(be)______goingtoattendthemeetingtom
Perhapsweneedtoclearupthesebookstomake______forournewstudents.A、plac
Accordingtoa【B1】______,about25percentofcollegestudentshaveapart-t
MostAmericanstudentsare______tospend180daysayearatschool.A、intendedB、
随机试题
[originaltext]Theaveragepersonlearnsmostofthe30,000-40,000wordswho
Rescueworkershadcollected820birdsfromtheGulfofMexicooilspill,th
Bluesisatypeofmusicofstrongrhythm,whichwasoriginallysungby______.A、
关于子宫畸形的描述,不正确的是A.先天性无子宫,双侧卵巢形态可正常 B.始基子
尿17-羟皮质类固醇主要是何种激素的代谢产物?( )A.醛固酮 B.脱氢雄酮
黏土看上去似乎是一种肥沃度差、由多种矿物质组成的混合物,但却可能是地球生命的起源
C注意到各项分母是一个以2为公比的等比数列,故待填项分母是32;每一项的分子=分母-1=31,选C。
下列关于公积金个人住房贷款贷款额度的说法,正确的有( )。A.一般购买普通商品房
下列民事责任中,归责时适用无过错责任原则的是()。A.小李在工作中罹患职业病
一司机车祸受伤,右股骨开放性骨折,已上止血带,BP80/60mmHg,P120次
最新回复
(
0
)