It is a great honor for us ___ (invite) to thier dinner.为什么是 to be intived
问题描述：
It is a great honor for us ___ (invite) to thier dinner.
为什么是 to be intived
答
因为US是被邀请的所以用be intived
而It is a great honor for sb. to do sth.是句型
所以就是to be intived 啦
答
这是一个固定句式：
It is +adj. for/of sb. to do sth.
同时我们是被邀请，所以是被动语态：
be done
答
invited
答
to invite(it's +adj+for sb to do sth
答
被邀参加晚宴,我们倍感荣幸
to be invited ...是实际上的主语
而且此处我们是被邀的对象,要用被动态