【推荐1】You should_______________________(获得允许)from the headteacher before you leave school.(根据汉语提示完成句子)

【推荐2】In most cases, its bad manners to enter a bedroom ____________________________ (没有主人的允许). (根据汉语提示完成句子)

【推荐3】只有在老师允许的情况下，才允许学生进入办公室。
________ ________the teacher’s permission________the students to get into the office.

【推荐1】因挽救那位女士的生命,男孩得到了授予的奖品,他感到很自豪。
The boy ________ his saving the woman’s life and felt very proud.(award n.) 
The boy ________ his saving the woman’s life and felt very proud.(award v.) 
________ his saving the woman’s life,the boy felt very proud.(过去分词作状语)

【推荐2】我不知道他什么时候会回来。
I have no idea________ ________ ________ ________ ________.

【推荐3】The suggestion ________ came from the chairman.
采纳新规则的建议是主席提出的。(同位语从句)