thay have all been put to shame by a boy who,while playing truant,travelleld1,600 miles.分析一下句子结构，不明白为什么who后面什么都没有了，直接逗号，可我见到的定语从句都是…who…，这样的啊who 在这里

下面的句子错在哪里?All the staff have been told that under no circumstances thay could use the telephone in the office for personal affairs.错在哪 单词拼写：after class,thay often have all kinds of a()on the playgtound all tasks have been completed all things have been already where have you been all my life we have been flighting all your i have been right all along 歌词 I could have been all over you. where have you been all these days? where have you been all these days? Have been over all already翻译中文 I have been waiting all my live... Road have been all .中文直译. thay have all been put to shame by a boy who,while playing truant,travelleld1,600 miles.分析一下句子结构，不明白为什么who后面什么都没有了，直接逗号，可我见到的定语从句都是…who…，这样的啊who 在这里 All tasks have been competed汉语All tasks have been competed have been doing have p.p.区别在哪? I have been sleeping all alone,you have been straing in my WHERE HAVE I BEEN ALL YOUR LIFE怎么样