No more typists working on a typewriter or computer

No more typists working on a typewriter or computer 1、No more typists working on a typewriter or computer.work为什 I'm working _ my computer,用in or on? They are working ( ) a computer 请附答题思路1.A computer costs about_____of a typewriter.A.the nin a special typewriter是什么意思 英语翻译A technician is onsite working on a computer problem.The he is no more a spy than you or I I am working on my computer和I am working with my computer有什么 uses a computer or uses computer there is a typewriter with acover on it in the office是什么意思 there is a typewriter with acover on it in the office什么意思