Loudspeakers were fixed in the hall so that everyone_D_ an opportunity to hear the speech.A ought to have B must have C may have D should have 为啥不选a

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Loudspeakerswerefixedinthehallsothateveryone_D_anopportunitytohearthespeech.AoughttohaveBmusthaveCma

Loudspeakers were fixed in the hall so that everyone_D_ an opportunity to hear the speech.A ought to have B must have C may have D should have 为啥不选a
Loudspeakers were fixed in the hall so that everyone_D_ an opportunity to hear the speech.
A ought to have B must have C may have D should have
为啥不选a

Loudspeakers were fixed in the hall so that everyone_D_ an opportunity to hear the speech.A ought to have B must have C may have D should have 为啥不选a
D =could have 表示有能力,有条件
A 应该可以,扩音器修好了不能为了应该可以.

Loudspeakers were fixed in the hall so that everyone______an opportunity to hear the speechA.ought to have D.should haveought to 和shoud 有区别么 Loudspeakers were fixed in the hall so that everyone_D_ an opportunity to hear the speech.A ought to have B must have C may have D should have 为啥不选a loudspeakers were fixed in the hall so that everyone an opportunity to hearloudspeakers were fixed in the hall so that everyone an opportunity to hear the speach.A ought to B must have C may have D should have为什么选D不选A?这是虚拟语气 loudspeakers were fixed in the hall so that everyone ()an opportunity to hear the speech.a.ought to have b.must have c.may have d.should have四个选项选哪个,并说明原因.2006专四考题,懂得进. 英文名读音/fi:fi:/,求拼写 sci-fi movies是什么意思? Wi-Fi怎么读? wi fi 怎么念 Hi Fi是什么意思? Hi--Fi是什么意思啊 ? Hi-Fi 是什么意思? Hi-Fi怎么读? WI-FI是什么意思? HI－FI是什么意思? Hi-Fi是什么 HI-FI怎么读 WI FI是什么意思 Wi一Fi是什么意思?