Complete the sentences. use on, off, up or over

Complete the sentences. use on, off, up or over.1 Alex rings up his girlfriend ever day. 2. I've finished using the Internet. Shall I log _____ or do you want to use it? 3. Can you turn ______ the television when the film ends? 4. Hew do you turn this mobile phone _____? I want to make a call.5. The phone rang and I picked it ______ , but nobody spoke. The person just hung _____. I thing it was a wrong number.6. Were's the remote control? I need to turn _____ to Channel 4,7. Please turn ______ all mobile phones in the cinema.8. U need to send an email, I'm going to log ______ to the Internet.