首页
登录
职称英语
The classroom is empty, so the students________have gone to the laboratory.A、oug
The classroom is empty, so the students________have gone to the laboratory.A、oug
游客
2024-07-12
50
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是对过去行为的肯定推测,符合题意。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/3673458.html
相关试题推荐
Theprofessor,alongwithhisstudents,(be)________goingtoattendthemeeting
Ihaveno(object)________tohisstayingintheclassroomaslongashekeepsq
Accordingtoa【B1】________,about25percentofcollegestudentshaveapart-ti
Accordingtoa【B1】________,about25percentofcollegestudentshaveapart-ti
Theclassroomisempty,sothestudents________havegonetothelaboratory.A、oug
MostAmericanstudentsare________tospend180daysayearatschool.A、intended
Ihaveno(object)________tohisstayingintheclassroomaslongashekeepsqu
Theteacher’sencouragementmakesthestudentsfeelmore(confidence)________.c
Attheendofthevacation,thesestudents________(praise)forbeingoutstandin
Ihaveno(object)________tohisstayingintheclassroomaslongashekeepsq
随机试题
Agoodtitleforthispassageis______.[br]Theword"drowsy"inthelastpara
Whatarethereinoursocietynowadays?Thereare_________________.[br][ori
Virtuallyall(partsmoving)ofanautomobile(needtobe)lubricated(because),
促通技术以哪几种方法为代表A.Rood、Bobath、Brunstrom和BF
A.铁和锌B.铜和碘C.钙和铁D.锰和铬E.硒和锌慢性肝炎患者应注意补充的无机盐
Thechangeinthatvillagewasmiraculou
2020年11月,经统计可知,北京轨道交通路网运营线路达23条,总里程699.3
真正的批评,总是建立在对等的基础之上,只有修养与__对等的人的批评,才值得___
关于个人贷款的贷后管理,下列说法错误的是()。 A.贷款人应定期跟踪分析
混凝土外加剂的作用有()等。A.减少用水量 B.减少原材料含水量 C.减小
最新回复
(
0
)