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英语单词:按时补充一下Butmorethan30yearsago,computerscouldn'tdom.Theywereverybigande.Veryfpeoplewereinterested--Todaycomputersaresmallerandc.Computersareveryusefulandh.

题目详情
英语单词:按时
补充一下
But more than 30 years ago,computers couldn't do m___.They were very big and e___.Very f___ people were interested--
Today computers are smaller and c___.
Computers are very useful and h___.
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答案和解析
much expensive few cheaper helpful