email is becoming more popular with many people, I still like writing to my friends.A. Wh

发布时间：2020-08-16 19:49:42

     email is being more popular with many people, I still like writing to my friends.
A. When
B. As
C. Since
D. While

网友回答

A. When
B. As
C. Since
(答案→)D. While
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