副词的作用?比如 it is just an excuse 中,just是什么词性?

副词的作用?比如 it is just an excuse 中,just是什么词性? just的词性是什么? Fate,is just an excuse to escape from the reality! This is just what we need!句中“what”的词性及在句中所启作用 just so so 是什么词性 Waiting for you to come back into my life,is just an excuse just life it is! i have just arrived here 句中arrived 是什么词性 it is not just because的用法 just won an is ok you have just come back from your hometown just 的词性是什么 为什么放在 i just do not know 中just 的意思,什么词性