答：anything

　　1)任何事情/东西,可以用在肯定句/否定句/疑问句中.

　　如:Youcantakeanythingyoulike.Doyouhaveanythingtosay?

　　Thereisnotanythingyoulikehere.

　　2)something的疑问/否定形式.

　　如：--Isthereanythinginthebox?--Nonothing.

　　Hehasnotanythingtodotoday.

　　everything所有的事情／东西,如：Everythinghereisallright.

　　另外：notanything=nothing;而noteverything并非／不是所有的东西／事情

　　→→→

　　anything一般是用在疑问句中的,一般不用在肯定句中,因此,在这个题目中应该是anything.