Заполните пропуски →1. down (2) 2. in 3. on 4. out (2) 5. up (2) 6. off← 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 .