The manager ______ the worker how to do it, or the accident couldn’t have happened.
A．couldn’t have toldB．ought to tell
C．could have toldD．mustn’t have told
A
考查情態(tài)動(dòng)詞的用法：    A. couldn’t have told過(guò)去不可能告訴了，B. ought to tell應(yīng)該告訴      C. could have told本可以告訴卻沒(méi)有告訴，D. must接完成式不用否定，句意是：經(jīng)理不可能告訴工人怎么做的，否則事故就不會(huì)發(fā)生了。選A。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Were it not for the fact that his father is on the board of directors, he ______ the job.
A．will never getB．will never have got
C．would never getD．would never have got

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Alice said she was really busy this week, but I think she________ show up at the party if she doesn’t have to work overtime on Friday.
A．wouldB．mightC．mustD．shall

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

But for your timely help, the boy ______ his life.
A．must have lost B．may lose C．might have lostD．should lose

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The children _________ for the accident. After all, they were so young.
A．should not be to blameB．not to be blamed
C．were not to blameD．were to not blame

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

If you had come here earlier, the work_______ yesterday.
A．would have been doneB．would be done
C．were to doD．were done

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

—___the new comer join us in the work?
—Certainly! We are short of hands presently．
A．ShallB．WouldC．MayD．Must

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

________anyone phone, tell them I’m in conference.
A．WouldB．ShallC．CouldD．Should

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

— I haven’t finished my task yet.
— You shouldn’t have watched the film last night, or you _______ it by now.
A, need have finished                       B. may have finished
C. should have finished                    D. will have finished

查看答案和解析>>

同步練習(xí)冊(cè)答案