For a family of 4, for example, it is more convenient as well as cheaper to sit comfortably at home than to go out. They don’t have to pay for expensive tickets. All they have to do is to turn on TV and they can see films, political discussions and the latest exciting football matches. Some people say that this is fist where the danger lies. The TV viewers need do nothing: they (3)______ no choices, they’re completely passive and don’t even use their legs.