Therewassomethingwrongwiththenetwork,orthee-mail____earlier.A.couldhave

发布时间:2020-08-04 12:53:12

There was something wrong with the network, or the e-mail____ earlier.A.could have been sentB.might be sentC.need have been sentD.must be sent

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A解析试题分析:考查隐含的虚拟语气:句意:网络有问题了,否则电子邮件可能早就被送到了。这里的or相当于=if There hadn’t been something wrong with the network所以主句用could have done,选A。考点:考查隐含的虚拟语气

点评:有时,句子没有直接给出假设情况的条件,而须通过上下文或其他方式来判断。这题用了Otherwise,or代替if的虚拟语气,主句是1、表示与现 在事实相反的情况,主语+should/would/could/might+do: 2、表示与过去事实相反的情况,主句:主语+should/would/could/might+have done 3、表示对将来情况的主观推测,主句:主语+should/would/could/might+do。
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