_____ that air conditioners cause so much pollution, I would never have bought one.
A．Had I knownB．I had knownC．Were I to knowD．Did I know
A
考查虛擬語氣。根據(jù)句意可知考查與過去事實(shí)相反的虛擬語氣，從句用had + done，Had I known ="If" I had know，故選A。
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

Hardly     to the station when the train left.
A．I gotB．I had gotC．did I getD．had I got

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---- Will Joe attend the party?  ----- If his wife won’t go to the party,_________.
A．he will eitherB．neither does heC．he neither willD．neither will he

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Only in this way_______ finish the work ahead of time.
A．they canB．they can doC．can do theyD．can they

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---You forgot your pen when you went to have an exam.
---My God, ____.
A．so did IB．so I didC．I did soD．I so did

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

So       that all the living things are dying out gradually .
A．serious polluted the lake is B．serious polluted is the lake
C．seriously polluted the lake isD．seriously polluted is the lake

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---- I’m sorry I can’t go to the concert with you tonight, because I have a bad cold.
---- If you don’t go, __________.
A．nor do IB．nor will IC．so do ID．so will I

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Out of the crowded bus             , who was dressed in a black suit and waved to a woman.
A．a(chǎn) tall man steppedB．stepped a tall man
C．did a tall man stepD．did a tall man stepped

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


______________, where we can stay for a week.  
A  Next is another hotel to it          B  Next to it another hotel is
C  Next to it is another hotel          D  It next to another hotel is

查看答案和解析>>

同步練習(xí)冊(cè)答案