题目内容：

用方框内所给词语的适当形式填空，使文章通顺、完整。（每词限用一次）

how   look  many    able  as  crowd    find   problem   for   comfortable

Do you think people will work and live in the sea in the future? You may ask. “_________1.will people go to work then?” By submarine(潜水艇)! Some scientists believe that some day submarines will be as ________2. as today’s cars.

A French driver says, “One day, man will travel in the sea _________3.they do in the street!”

If humans want to live in the sea, they have to solve (解决) a lot of ___4. first. For example, what will happen to our body if we stay in the water _________5. a long time?

Scientists are _________6. for the answers. Maybe in 50 years man will be _________7. to live in the sea. They will be away from the _________8. cities. Man will _________9.that it’s fun and interesting to live in the sea, and that life in the sea is more _________10.. Don’t you think so?