The newcomer is quite ________ to office work.Why not offer her some practical tips

填入下面文段空白处的词语，最恰当的一组是就承诺而言，①千金一诺最为沉重，②空口无凭又最为虚泛，观其行径还要等漫漫时间的印证，③，“信”在外化体现方面，④产生了一种加固信任的仪式。仪式也并不复杂，中国的印幸，⑤是一种仪式化的凭信。对于一国来讲，国之玉玺，郑重一落，就印盖出了国家信誉；⑥对于个人来讲，名章为凭，红印一盖，就代表着本人的信誉。 ①②③④⑤⑥

Wang Ping can’t be in the bedroom, ?

We should spend the money on something that will _______ everyone.

It is ________ good exhibition that I have seen it several times.