file
问题Any file that travels with an e－mail message is called an e－mail （).A.attachmentB.pageC.w
Anyfilethattravelswithane-mailmessageiscalledane-mail().A.attachmentB.pageC.writingD.doc
问题You can （）a file when you no longer need it. A. renameB. moveC. copyD. delete
Youcan（）afilewhenyounolongerneedit.A.renameB.moveC.copyD.delete请帮忙给出正确答案和分析，谢谢！