Loudspeakers were fixed in the hall so that everyone_D_ an o

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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.
再问：老大这是专四题目答案不容置疑谢谢
再答： A不对啊 A 选项的翻译是：应该可以扩音器修好了不能为了应该可以，所以是错的啊。

there were so many people talking in the concert hall that i I saw that they were watching TV in the hall 英语翻译The years in jail formed habits that were already fixed： There were so many people in the hall,it was ___(人群).A、crowd There was so mush noise in the hall that the speaker couldn' Speaking louder so that the people in the hall can all hear 英语句子成分划分There are so many people in the hall that it's hard The hall is so large that it holds hunreds of people in it 改 They were invited（ ) an important hall( ) the first time( )t the children were in the hall( in the hall是划线的）划线提问 There were about nine hundred people in the meeting hall. There were _____ guests as chairs in the lecture hall.