用不定代词完成下列句子

题目

用不定代词完成下列句子
1.I saw ( ) pass,but I didn't know who it was.
2.( ) must find one's own way to make a living.
3.---Would you like some sugar in your coffee?
--yes,just ( ).
4.( ) of his friends wanted to help him again.He felt disappointed.

答案

somebody
One
a little
None