Thank you very much. Without your help we ______ car started.A．didn’t getB．hadn’
题型：不详难度：来源：
Thank you very much. Without your help we ______ car started.| A．didn’t get | B．hadn’t got | C．couldn’t get | D．couldn’t have got |
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答案
| D |
解析
试题分析：考查虚拟语气：Without your help是隐含的虚拟语气，相当于：If it hadn’t been for your help，是和过去相反的虚拟条件句，主句用情态动词could+have done，句意：谢谢，没有你的帮助我们就不能让汽车启动。选D。
点评：if的虚拟语气非常重要，简要概括如下：1、表示与现在事实相反的情况，从句：If主语+过去时(Be动词用were)；主句：主语+should/would/could/might+do： 2、表示与过去事实相反的情况，从句：If主语+had+done；主句：主语+should/would/could/might+have done 3、表示对将来情况的主观推测，从句：①if+主语+were to do②if+主语+should+do ③if+主语+did（动词过去式）/were ；主句：主语+should/would/could/might+do，这句话是隐含的if虚拟语气的句子，如without，but for等，都是这个用法。 |
举一反三
All agreed to his suggestion that a bridge across the river__________.| A．built | B．be built | C．would build | D．should build |
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More and more people have come to realize that if we had taken effective measures much earlier, the air quality ______ so seriously now. | A．is not polluted | B．would not be polluted | | C．had not been polluted | D．would not have been polluted |
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The board considered it urgent that those files _____ right away.| A．be printed | B．will be printed | | C．must be printed | D．had to be printed |
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--Excuse me, you are supposed to hand in your design now.
--I’m sorry, my computer broke down, or I ________ it last night.| A．finished | B．would finish | | C．had finished | D．would have finished |
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How lucky he was! He ____ involved in the murder.| A．must have been | B．can have been | C．could have been | D．would have been |
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