_________, the forest fire would have been discovered much earlier.
A．But for their careB．If they were careful
C．Without their careD．Had they been more careful
D
考查虛擬語氣。本題考查與過去事實相反的虛擬語氣，從句Had they been more careful =" If" they had been more careful。句意：如果不是他們更小心點，森林大火將會更早的被發(fā)現(xiàn)。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

Ms．Zero was preparing food．Under one of the apple trees in the garden ______, smoking and looking at the harvest with a smile．
A．stood her husband B．did her husband stand
C．her husband stoodD．her husband standing

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

     , and the problem will be worked out..
A．If you have a bit more effortB．Having a little effort
C．A bit more effortD．There being a little effort

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 _________ make progress in our English study.
A．can weB．we canC．we are able toD．can we be able to

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Across the river _____.
A．lie a new built bridgeB．lies a newly built bridge
C．a(chǎn) new built bridge lieD．a(chǎn) newly built bridge lies

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

----Father, you promised !
-----Well, _____. But it was you who didn’t keep your word first.
A．so was IB．so did I C．so I was D．so I did

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Only when I left my parents for Italy ______ how much I loved them.
A．I realizedB．I had realizedC．had I realizedD．did I realize

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


So fast     at the lecture that I missed much of it.
A．he did speakB．he spokeC．did he speakD．did he spoke

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

  .– Lovely day, isn’t it ?
--- Yes, _______?
A．is itB．isn’t itC．it isD．it isn’t

查看答案和解析>>

同步練習冊答案