11 2019 档案

2019.10.11.3
摘要：选词填空 （1）DOS__was the first widely-installed operating system on personal computers. （2）To command to check a diskette for flaws and creates a director 阅读全文
posted @ 2019-11-03 19:34 qw飞狼 阅读(125) 评论(0) 推荐(0)