问题描述：
英语翻译
高中英语语法解释加翻译
Unless ______ to speak,most high school students here prefer remaining silent in class.A.invited C.being invited
选A
高中英语语法解释加翻译
Unless ______ to speak,most high school students here prefer remaining silent in class.A.invited C.being invited
选A
问题解答：
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