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  3. Never before______available for quick and easy access in so many different fields of study.

Never before______available for quick and easy access in so many different fields of study.

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问题 Never before______available for quick and easy access in so many different fields of study.
选项 A、so much free information were
B、were so much free information
C、has so much free information been
D、so much free information has been
答案C
解析 常考的知识点。表示否定意思的词never放在句首，则句子需要部分倒装，即助动词提前；information为不可数名词，应用单数动词与之搭配，B项用were，所以错误
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