Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Computers are helpful (1) ............... many ways. First, they are fast. They can work with information even (2) ............... quickly than a person. Second, computers can work with a lot of information at the same time. Third, they can (3) ..................... information for a long time. They do not forget things that the common people do. (4) ...................., computers are  almost  always  correct.  They  are  not  perfect,  but  they  usually  do  not  (5) ................. mistakes.

Recently, it is important (6) .................. about computers. There are a number of things to  learn.  Some  companies  have  (7) ................ at work. In  addition,  most  universities (8) ................ day and night courses in Computer Science. Another way to learn is from a bok, or from a friend. After a few hours of practice, you can (9) .............. with computers. You may not be an expert, but can have (10) .....................

(1) ...............

• A. 
  in
• B. 
  on
• C. 
  at
• D. 
  over