When I got back from school we installed the 2 optical cables in the tubes who are in the wall . We were lucky and did n't have to remove the Gyproc wall . So now he can finally close all the holes and start the wallpaper and painting . Now there 's one problem , before he can start the wallpaper he needs my electricity cable of the tv .

Question: What has to happen before wallpapering the wall ?
Answer: He needs to turn on the electricity to the house .TV must be mounted on the wall .None of the above choices .Electricity cable to the TV must be placed on the wall .