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    What will our world be like in 2020 We aren't quite sure, but it's interesting to make some predictions.

    Languages

    English should still be the most popular language, but Chinese should be the second. Now, many foreign people are studying Chinese as their second language.

    Water

    Water will become as expensive as oil because many rivers will disappear. We will have to save water and pay more for clean water.

     Education

     More students will study online. Students from all over the world may study together on the Internet.