问题
选择题
| E-mail English is a new kind of written English that _____ to save time. |
A. be being used B. was being used C. being used D. is being used |
答案
答案：D
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| E-mail English is a new kind of written English that _____ to save time. |
A. be being used B. was being used C. being used D. is being used |
答案：D