a:do you get ()ready for the sports meeting?b:no,we still have ()to do?a.anything,nothing.

C.Everything 所有事物 (Do you get everything ready 你把（全部东西）都准备好了么?)
Something 某事物（Have something to do 还有（某些）事要做)
anything 任何事物 You can do anything as long as it is legal.(你可以做任何事物,只要是合法的）
nothing 没有 I can do nothing (我什么都做不了）anybody,.....（省略的你知道的）区别anybody 任何人（同anyone）能用作代词或是名词，名词的话意思是重要人物Is anybody home??? 有人在家么？anybody else ：其他人，用作名词 He did better than anybody else. 他比其他人都做得更好