问题描述：
| It is known to us all E-mail is _____ more _____ than sending a fax. |
| [ ] |
| A. many, efficient B. much, efficiently C. a far, efficiently D. a lot, efficient |
考点提示：形容词,副词
最佳答案：
| D |
最佳答案：
题目：It is known to us all E-mail is _____ more _____ than sending a fax. [ ] A. many, efficient B. much
最佳答案：
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