1)Put the verbs in brackets into the correct passive tense.
1)The instruction manual (photocopy) by the secretary at this very moment.
2)Once the TV aerial (adjust),you will have a clearer picture on your screen.
3)Your new satellite dish (deliver) tomorrow afternoon.
4)The machine cover should only (open) when the warning light has gone off.
5)The printer (service)last month.
6)Computers (use) in most classrooms all over the country nowadays.
7)Research on the battery -operated car (complete) by the end of the month.
8.The programmer (invite) to give a talk at the college but he refused.