Radio and TV are very common in the world today.Millions of people watch TV ,but f____people listen to the radio.

Radio and TV are very common in the world today.Millions of people watch TV ,but f____people listen to the radio.
Of course,TV is more u_____ than radio.On TV you can see and hear what is happening in the world.
But radio is not disappearing .It is still w____ us .And the number of l_____is becoming larger.One reason for this is the use of the transistor radio.A transistor radio is usually s_____.It's very easy to c_____.You can put one in your pocket .Besides,radio is better f_____ many old people whose eyes are not g____ enough to watch TV.What's more,a radio is muvh c_____ than a TVset.