住宅小区物业管理主体由（）组成。
A.业主和业主大会
B.业主委员会和物业管理公司
C.政府相关部门
D.房地产开发建设单位
参考答案：A, B, C, D
根据句意及所给提示，补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. My teachers ask us to p_________ reading English everyday.
2. He is twenty years old and today is his _________(twenty) birthday.
3. Danny does his homework as __________(careful)as his students.
4. I want to have my ________(自己的)house.
5. Everyone __________(尽最大努力)to do this work in our group.
共同投标协议( )合同关系。
A．属于
B．不属于
C．属于权利和义务
D．属于债权债务
