最多十五分.因为句子里有很多错误.the reason is （that）it is the (the-a)better a (a去掉)way we can . building（build） our society relation
every family should listen to their children (to know)what they need ,which can remove misunderstand of(between) each other,
the teachers could listen to their students (to know)what trouble they meet,giving(give) them some help
i think it is necessary for we(we-us) to listen to each other
how to listen to each other well is that listener(listeners) should focus their all (their all- all their)attention on listening to each othe