补全短文
checks reap walk A. can 【T1】______big reward B. no one 【T2】______up on C. may 【T3】______away not only unpunished More and more, the operations of our businesses, governments, and financial institutions are controlled by information that exists only inside computer memories. Anyone clever enough to modify this information for his own purposes 【T4】______. Even worse, a number of people who have done this and been caught at it have managed to get away without punishment. It's easy for computer crimes to go undetected if 【T5】______what the computer is doing. But even if the crime is detected, the criminal 【T6】______but with a glowing recommendation from his former employers.