完形填空（每小题1分，共10分）
阅读下面短文，然后从每小题所给的三个选项中选择一个最佳答案，并将其字母标号填入题前括号中。
We live in the “computer age.” Long ago computers couldn’t do    . They were very big and    . They used a lot of energy. Only a few people were     in them. Today computers are     and cheaper. They can       difficult work.
Computers      important for many reasons. They work faster and make fewer mistakes. They can remember much information. A computer can work out millions of problems      a few seconds. A person might need years      so many problem.
People now use computers in nearly very  kind of work. Computers are very useful and the     of computers is growing. More computers mean more jobs for people,     people need to run(操作)and mend them.
Would you like to learn how to run a computer?
A. many        B. much         C. a lot of
A. cheap        B. expensive     C. more expensive
A. interest      B. interesting     C. interested
A. small        B. smaller       C. turn
A. do          B. make         C. to play
A. turns        B. got           C. become
A. in          B. for            C .at
A. work        B. to work out     C. to work
A. use         B. useful         C. useless
A. why       B. how           C. because