语法填空（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 (合租建筑群) are popping up across the country. For many people, this way of life is   ________  relief 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(居民) 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.