21、Had I known that air conditioners cause so much pollution , I _______ one.
A．would never have bought B．would haven’t bought
C．must never have bought D．must haven’t bought
21、A
科目：高中英語 來源： 題型：
Had I known that air conditioners cause so much pollution , I _______ one.
A．would never have bought B．would haven’t bought
C．must never have bought D．must haven’t bought
科目：高中英語 來源：2010-2011學(xué)年河南省高二上學(xué)期第二次月考英語卷 題型：單項(xiàng)填空
_____ that air conditioners cause so much pollution, I would never have bought one.
|
A．Had I known |
B．I had known |
C．Were I to know |
D．Did I know |
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