Active v/s passive voice

EXERCISE: Active v/s Passive Voice

Which of these alternatives is correct? Click on the right PASSIVE voice example in each sentence:

1). The technician repaired the CD ROM.
a). The technicianrepairs the CD ROM.
b). The CD ROM repaired the technician.
c). The CD ROM was repair by the technician.
d). The CD ROM was repaired by the technician.

2). The computers produce a lot ofelectro static energy.
a). Electro static energy was produced by the computer a lot.
b). A lot of electro static energy is produced by the computer.
c). Electro static energy is produce by the computer.d). A lot of electro static energy is produce by the computer.

3). Bill Gates created Microsoft in 1975.
a). In 1975 Microsoft created Bill Gates.
b). In 1975 Microsoft is create by Bill Gates.c). In 1975 Microsoft was create by Bill Gates.
d). In 1975 Microsoft was created by Bill Gates.

4). That virus blocked the system and the platform.
a). The system and the platform were blockedby the virus
b). The system and the platform was blocked by the virus
c). The system and the platform were block by the virus
d). The system and the platform was block by the virus

5). TheProgram produced a long failure report.
a). The Program was produced a long failure report.
b). A long failure report was produce by the Program.
c). The Program produces a long failure report.
d). Along failure report was produced by the Program.

6). The digital camera takes 1500 photographs per minute
a). 1500 photographs per minute are taken by the digital camera
b). 1500 photographs perminute was taken by the digital camera
c). 1500 photographs per minute is taken by the digital camera
d). 1500 photographs per minute were take by the digital camera

7). The printer reads thedocuments.
a). The printer was read the documents.
b). The documents are readed by the printer.
c). The documents are read by the printer
d). The printer were read the documents.

8). The...