1. more更多,  less更少,  fewer更少,  polluted污染的,  crowded拥挤的,

underwater水下. 

解释: 

Cities will be more polluted./Cities will be less polluted.

Cities will be more crowded./ Cities will be less crowded.

There will be fewer trees in the city./ There will be more trees in the city.

There will be bigger cities underwater./ There won’t be bigger cities underwater.

2.What will you do? 你将要做什么？

   I will ………………. 我将......

   What will you do?

   I will enjoy the sunlight.

   I will talk to the teacher.

   I will wait for my mom.

   I will travel to France.

   I will visit my grandparents.

3.There will be ……….. in the future.  在未来将会有.......

   There will not(won’t) be ……….. in the future. 在未来将不会有......

   There will be fewer trees in the future.  

   There won’t be more water in the future.

   There will be less grass in the future.

   There won’t be fewer animals in the future.

   There will be more cars in the future.

4.What will the cities be like?

   城市将会是什么样子?

   ………………………………

   .............

   What will the cities be like?

   Cities will be more polluted.

   Cities will be more crowded.

   There will be fewer trees in the city.

   There will be bigger cities underwater.