用所给单词的适当形式填空Her job is_____(teach) high school students in a

e +动词不定式（即be + to do sth.）的用法如下：
1.表示按计划或安排要做的事.例如：
When are you to leave for home?你什么时候回家?
She is to be married next month.她将于下个月结婚.
The Queen is to visit Japan in a week’s time.女王将于一周后访问日本.
这种结构也可用于过去.was / were to do sth.表示曾经计划要做的事,但不表明计划是否被执行,或表示“命运（即命中注定要发生的事）”,而非计划；was / were to have done sth.表示未曾实现的计划.例如：
I felt nervous because I was soon to leave home for the first time.我感到很紧张,因为我很快就要首次离开家了.
They said goodbye,little knowing that they were never to meet again.他们告了别,不知道以后再也不会见面了.
We were to have told you,but you were not in.我们本来想告诉你的,但是你不在家.

teaching