题目内容：

I hope (that) the little (that) I have been able to do has been of some one.
为何用括号中的?

优质解答

I hope that……宾语从句,that可以省略,我希望……the little (that) I have been able to do has been of some one.定语从句,I have been able to do （the little）,所以that就代指the little定语从句缺成分用that...