题目内容：

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，在空格处填入适当的词或使用括号中词语的正确形式填空（每空不多于2个单词）。

Life in the future will be different1.life today. There 2. a lot of changes. There will be many people in3.world. They4.（live） to be over 100 years old. People will live in the sea in summer5. it is very cool there. People will have much free time for sports, surfing the Internet and travelling.6.（fly） will be very cheap and easy. And many people will go to other countries for their holidays by plane. Work in the future will be different 7.. People will use 8.（robot） to do some dan-gerous and hard work, so many people will not have a lot of work 9.（do）. All the people10.live a happy life.