If you had joined the chat room ten minutes ago, you _____________what we were talking about.  
A．would knowB．would have knownC．knewD．had known
B
考查虛擬語氣。句意“would+have+done”表示對(duì)過去事情的假設(shè)，意思是“本來會(huì)做”。如果你十分鐘前加入聊天室，你就會(huì)知道我們正在談?wù)撌裁戳��！皐ould+have+done”表示對(duì)過去事情的假設(shè)，意思是“本來會(huì)做”。故選B。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

------ How’s your tour around the North Lake? Is it beautiful?
------ It _______ be, but it is now heavily polluted.
A．willB．shouldC．wouldD．must

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Last night Li Ping watched the football match at home when he ________ his homework.
A．need have done B．must haven done
C．should have doneD．could have worked

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


They didn’t attend the discussion, although they _________.
A．should B．would have toC．should have toD．should have

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


--Can I have something to eat, Mum? I feel hungry.  
-- You ____ be hungry. You’ve just had some bread and ham. 
A．mayn’tB．won’t C．mustn’tD．can’t

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


----- Oh, my goodness! My laptop must have got stolen．
----- But where _____ a thief have entered the house with all the doors and windows still locked?
A．shouldB．couldC．dareD．did

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


I wish I____ my uncle yesterday.
A．metB．have metC．would metD．had met

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


-We want someone to design the new art  museum for us.
______the young fellow have a try ?
A．MayB．ShallC．WillD．Need

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


If I            yesterday, he            now.
A．had said sorry to him, wouldn’t be angryB．said sorry to him, wouldn’t have been angry
C．have said sorry to him, won’t be angryD．had said sorry to him, would be angry

查看答案和解析>>

同步練習(xí)冊(cè)答案