首页
登录
职称英语
______the library for hours without finding anything useful, I turned to my prof
______the library for hours without finding anything useful, I turned to my prof
游客
2024-06-22
39
管理
问题
______the library for hours without finding anything useful, I turned to my professor for help.
选项
A、To search
B、Having searched
C、Have searched
D、Searching
答案
B
解析
考查现在分词的完成时。表示其动作在谓语动词的动作之前完成,作时间或原因状语,找资料是发生在寻求帮助之前,用having seacrched,故选B。
转载请注明原文地址:https://tihaiku.com/zcyy/3645771.html
相关试题推荐
[originaltext]W:I’dlikeawhitedressplease,onewithoutcollarandbelt.M
[originaltext]W:I’dlikeawhitedressplease,onewithoutcollarandbelt.M
[originaltext]W:I’dlikeawhitedressplease,onewithoutcollarandbelt.M
[originaltext]W:I’dlikeawhitedressplease,onewithoutcollarandbelt.M
Scientiststhinklaser(be)______oneofthemostusefultoolstoday.tobetobe在此
Itisstillunusualtogetajobwithoutaface-to-facecontactwithyourboss-t
Itwouldbedifficulttohaveasocietylikeourswithoutpublicgoodssuch
Itwouldbedifficulttohaveasocietylikeourswithoutpublicgoodssuch
Shouldapartyrequestcancellationofthecontractwithoutavalidreason,itsh
Itisknowntoeveryonethatnosmoking(permit)______inthelibrary.ispermitte
随机试题
InthefirstOlympicGames,whenwouldathletesgotoOlympia?[br]Accordingto
—Wouldyoulikesomemorecoffee,madam?—______.A、No,ThankyouB、No,Iwouldn
TheCarnegieFoundationreportsaysthatmanycollegeshavetriedtobe"a
Forthispart,youareallowed30minutestowriteanessayonfabricatingacade
Accordingtothispassage,dyingmainlyfallsintothreecategories.[br]Tie-dy
下列关于室内消防水箱及增压设施的叙述中,()是正确的。A.设置常高压给水系
正常情况下,健康小儿容易吐奶,主要不是因为A.未拍"嗝" B.胃水平位 C.
下列不属于显性成本的是( )。A.佣金 B.印花税 C.过户费 D.市场
关于自首,下列说法正确的是?A.甲杀人后其父主动报案并将甲送到派出所,甲当即交代
已知某瞬时平面图形上O点的加速度为a0。图形的角速度ω=0,角加速度为α0。则图
最新回复
(
0
)