将“the trouble is that he has never done the work before”转变为同位语从句

将“the trouble is that he has never done the work before”转变为同位语从句
将“the trouble is that he has never done the work before”转变为同位语从句

将“the trouble is that he has never done the work before”转变为同位语从句
The trouble that he has never done the work before makes his mother worried.

转变不起，只有想LS那种把句子意思添完整