our teacher came in the book his hand thirty year has passed his father death 填介词 急!
问题描述：
our teacher came in the book his hand thirty year has passed his father death 填介词 急!
our teacher came in a bookhis hand
thirty years has passedhis father death
重打一下问题没距离了
答
with in with复合结构,做伴随状语
since 现在完成时