5. my brother plays badminton very well    => my brother is............................................

4. table tennis is my favorite sport in my free time   => i like.....

VII. Rewrite the sentences                                                                                                1, people pollute the water . A lot of fish die.     => If people...........................................  2, how much is that shirt?     => What.............................................................................  3, this ruler is longer than that one.     => That  ruler........................................................

People need to breathe . If they don'n breathe, they .....die. But how clean is the air people breathe?If they breathe .....air , they will have breathing problems .....Plants and animals .......clean air, too. A lot of the things .... our lives create harmful gases and.......the air dirty , like cars, motorbikes and factories.Dirty air is called ".....air:. Air pollution can also make our earth warmer . The problem of air pollution started with the burning of coal in...... and factories                              BAN NAO TRA LOI DUOC MIK SE TICK CHO NHE        

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