Internet的网络管理是使用的下面的( )协议。A.SMTP B.FTP C. 发布时间:2018-06-12 17:58 │ 来源:www.tikuol.com 题型:单项选择题 问题: Internet的网络管理是使用的下面的( )协议。A.SMTPB.FTPC.SNMPD.TELNET
题型:单项选择题 I was really anxious about you. You ____ home without a word. [ ]A. mustn't leave B. shouldn't have left C. couldn't have left D. needn't leave 查看答案