Watch out for these animals! They could be terrified ______ a sudden loud noise
题型：不详难度：来源：
Watch out for these animals! They could be terrified ______ a sudden loud noise.| A．being there | B．should there be | | C．there was | D．there have been |
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答案
| B |
解析
试题分析：句意：小心这些动物！如果这里有一个突然的大的噪音，他们可能是非常害怕的。if引导虚拟语气，如果句中有should，可以将其提前，并将if省略，there be 表示有，故选B
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 |
举一反三
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-----Where are the children? Professor Zhang has come and his speech will start soon.
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