首字母填空   (10分)
Now we live in the “computer age”. People like scientists, teachers, writers and even students use computers to do much w______. But more than 30 years ago, c________ couldn’t do much. They were very big and expensive. Quite few people were interested in them and knew how to u________ them. Today computers are smaller and cheaper. And so many people like to use them b_______ they can do a lot of work. Some even use them at home. Computers become i______ because they can work faster and make fewer mistakes. Computers can help people d______ a lot of work. Writers use them to write, students use them to s______ and children use them to play computer games. Computers can r_______ what you put into them. They are very useful and h________. They are our good f_______. We love them.