prohibit unpledged and uncommitted delegates, except delegates or alternates expressing an uncommitted preference shall be permitted to be elected at the district level怎样解释，shall be是不是except后边的动作，except引导的是什么句子？

如题.

2016-08-21 提问者:学好英语忘

教师解答

尚未回答。

学生讨论

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