In many countries radio plays dramas documentaries and stories .have..now ...(disappeared) almost completrly from the radio. Instead radio .has ..(become) the most importent media for music. Portable radios .have..(made) musik easily available to everybody, and many
people now listen to the radio while they are working or relaxing. Some national radio stations ..have been.(closed down) but many more local radio stations .have been..(started). also a lot of specialist radio stations .have ..(appeared), which for exemple broadcast a particular type of music or 24-hour news.