我有 3 张桌子
Person
--------
personname
student
-------
studentid
address
personid
teacher
--------
teacherid
address
personid
我的 linq 查询是
var p=from p in db.person
join s in db.student
on p.personid equals s.personid
join t in db.teacher
on p.personid equals t.personid
select {address=????};
如何在一个字段中同时选择学生和教师地址????