be on the point of doing sth.when...

题目

be on the point of doing sth.when...
be on the point of doing sth.when...是固定句型,

答案

正要/即将……的时候/ 在...之际;正要
She was on the point of going out when the telephone rang.
她正要出去,电话铃响了
望采纳!