This is sb's sth中对sb's提问
sb's job is to do sth 是对的还是sb's job is sth是对的?
It's sb's sth?
turn sb's back on sth/sb
有没有 borrow sb sth 或 borrow sb's sth
什么时候用sth.of sb.什么时候用sb's sth
sb.'s sth.和 sth.of sb.哪个正式
英语造句It is + adj for sb.to do sth.for sb.of sb.It's no use/go
it is adj for sb to do sth对to do sth提问
sth. cost sb. +价钱中,当sth.为sth.单三时,cost要不要加s
sth.cost(s) sb.+some money造句
what's the matter with sb./sth,
cause sb to do sth =s