teacher we are very sorry about what we have done. we are very guilty about that, i know that you very disappointed to us. i hope you can teach us again, i promise we will not do this again. 不知道你要多少所以就写这么多勒,具体的意思是, 我们对今天所做的事非常抱歉,让你很失望,但是希望您可以来我们班上课,我保证不会在做这样的事。