问题描述：
求好心人帮忙.English is a bridge ( ).
A. of many knowledges B ,of much knowledge C. to much knowledge D. to many knowledges 选择哪个?为什么?求详解谢谢
A. of many knowledges B ,of much knowledge C. to much knowledge D. to many knowledges 选择哪个?为什么?求详解谢谢
问题解答：
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