英语翻译我原以为和上次是一样的,所以是按照上次的范围看的,把重点放在了有直接问题的章节,但我没想到情况发生了变化,所以我

I'‘ve thought it is the same as the last time,so I reviewed the range according to last time experience,attached great importance on the chapter which I still has problem,but it's unexpected the condition has changed,so I could not give the satisfied answer.
As you know I have to go back to work as soon as possible,so I have expected to pass through this exam.but now I'm somewhat unconfidence.
but really thank you for your help which is really very important for me.
我的绝对是自己翻译的,没有通过任何软件.