Question

she was so aborbed in job her that i didn't hear anyone knoc

Answer 1

Answer:

so…that… 如此…以致于… 引导结果状语从句

注意 与 so that 的区别

so that 以便 引导的是目的状语从句

You get up early "so that" you can catch the early bus.

你早点起床,以便能赶上早班车.

补充楼上疑问,此句构主从句主语可以不一致,这样的例子有很多如:

The book is so hard that I cannot read it at all.

这本书太难了,我一点儿也读不懂.