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1. Now log ___ to the system.
2. Shut ___ the computer and leave it.
3. The laptop has gone ___ again.
4. Type ___ your username and password.
5. When I try to print ___ a document the computer prints ___
a different one.
6. You should really back ___ all your work.
7. Where do I plug ___ the computer?
8. If you don’t want to lose your documents, it’s a good idea to
back them ___ .