Computers There are so many computers in the office. Yes, I know. I feel so behind the time. But I know a lot of computers. Yes, I know. Without computer, there would be no Internet.

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Computersareusefulmachines.Theycanhelppeoplealotin

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Computers There are so many computers in the office. Yes, I know. I feel so behind the time. But I know a lot of computers. Yes, I know. Without computer, there would be no Internet.

Computersareusefulmachines.Theycanhelppeoplealotin

There are a lot of computers in the lab,and they need professional 　　 to make sure they can be in a ...

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There are a lot of computers in the lab,and they need professional to make sure they can be in a ...

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There are a lot of computers in the lab,and they need professional 　　 to make sure they can be in a ...