在短文的空格内填上合适的单词,首字母已给.
We live in the computer age. People like scientists,teachers,writers and even students use computer to do (m) of their work. But more than 30 years ago, (c ) could not do much. They were very big and exoensive. Very few people were (i)in them and knew how to use them. Today computers are smaller and (c).(B) they can do a lot of work ,many people like to use them .Some people even have them at (h ).