Now people think that 1            is very important to communicate with others, so radio, telephone
and television are widely used all over the world. When you turn on the radio, you can listen. But when
you use telephone, not only can you listen to others but also you can chat 2             them. 3            ,
you can't see the other one at all. Television is even 4            (good) than both of them. People can
watch TV and listen to it, but you 5             (can) take part in what you see. Perhaps in the near future,
another new kind of phone will come into wider uses in our daily life.

    In the past, the people in Zhanjiang lived a poor life. The houses were old and small. 1______ (pollute) was
very serious, and there was rubbish everywhere. The traffic was not convenient, so few visitors came here.
    Now great changes have 2______ (take) place in Zhanjiang. The environment has become more beautiful.
The rivers have turned 3______ (clear) and the sky has turned bluer. There are trees, flowers and grass
everywhere. People live a better 4______. There are many large and bright buildings. Many people have their
own cars. Every year, thousands 5______ people from all over the country come to our city.
    We're sure Zhanjiang will become better and better in the future.