【简答题】Fire fighting is a serous matter, knowing what to do during a fire can save people’s lives. It is important to know the ways you can use and show them to everyone else in the family, such as stairways...
【简答题】A.The man is learning how to use a computer. B.The woman is showing the man how to put page numbers on a document. C.The man is printing a document. D.The man is using his computer to do mathematical ...