题目
An attachment in an email can be?A. A PowerPointB. A videoC. An audio fileD. All of the above
An attachment in an email can be?
A. A PowerPoint
B. A video
C. An audio file
D. All of the above
题目解答
答案
D. All of the above
A. A PowerPoint
B. A video
C. An audio file
D. All of the above