It is known to us all E-mail is______ efficient than sending a fax. A．much B．many C．more much D．much...
2023-01-11 18:18:26 64次 北京市2010年高考考前预测卷（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is known to us all E-mail is______
efficient than sending a fax.
A．much B．many C．more much D．much more
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