阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。

The future is coming！All over the world there are many new 【1】(idea)for new places to live and work in.Some of 【2】(they)will be in the sea！They will be very big 【3】 lots of people will live and work in them.The Americans are 【4】(plan)to build a town called Atlantis City.It will be in the sea，about five miles away 【5】 the land.But the most 【6】(excited)idea comes from Japan.It is called Aeropolis.Aeropolis will be a huge sea city，with parks，schools，a hospital and 【7】 airport…and it will move！It will travel 【8】(slow)around the world.There 【9】 just two problems.Aeropolis will cost a lot of money 【10】(make)．And for people who get seasick，it won't be much fun.