高一英语单选（1个）The l9th century the greatest number of laws stopping the rights and progress of the black．A．witnesses B．is witnessing C．has witnessed D．witnessed选D 求讲解..

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高一英语单选（1个）
The l9th century the greatest number of laws stopping the rights and progress of the black．
A．witnesses B．is witnessing C．has witnessed D．witnessed
选D 求讲解..

The 19th 相当于主语,过去时态,只能选C,D,
这只是叙述一件事,对现在没有什么影响,所以不用现在完成时,只是叙述一件事,因此选D

高一英语单选（1个）The l9th century the greatest number of laws stopping the rights and progress of the black．A．witnesses B．is witnessing C．has witnessed D．witnessed选D 求讲解.. 请教高一英语问题,求达人解答（单选）高一英语1,2,3,4,5单选高一英语单选1至5 高一英语单选1至3 高一英语单选12-17 求答案,高一英语单选高一英语单选18-25 高一英语单选14至17 高一英语上面单选,求检查高一英语单选,为什么A也可以高一预科班英语单选只有六题... 高一英语单选题,第一题应该选什么? 高一英语单选18至20 高一英语单词表（有音标）高一英语（人教版）必修3单词表新标准高一英语必修1单词表下载! 高一英语必修1★单词表

高一英语单选 （1个）The l9th century the greatest number of laws stopping the rights and progress of the black．A．witnesses B．is witnessing C．has witnessed D．witnessed选D 求讲解..

高一英语单选（1个）The l9th century the greatest number of laws stopping the rights and progress of the black．A．witnesses B．is witnessing C．has witnessed D．witnessed选D 求讲解..