阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。（共10小题；每小题1.5分，满分15分）
In many countries,_ ___ is not unusual for families of different backgrounds to live together in the shared space. ____, in the United States, this idea may still be considered odd.
But this type of housing, ____(call) co-housing, is gaining ____(popular) in the United States, too. Co-housing complexes are popping up across the country. For many people, this way of life is a ___(relieve) to the busy modern lifestyle. A co-housing community has __(private) owned houses and shared land. There is often a “common house” with a kitchen and dining room, meeting room, and maybe a workshop of library or music room. About 25 co-housing communities ____(build) in recent years, and 150 more are planned.
A co-housing complex is a place ___ residents shop, cook, and eat together. Residents of a co-housing complex like its sense of shared community. Children have other kids to play ____which many families like. Other residents like the feeling of living in a “village”. Residents also say that they can live in co-housing for ___(little) money than they would pay for nearby apartments.