l a She ate nothing for two days.
  b She ate anything for two days.
2 a I won't see something like it again!
  b I won't see anything like it again!

We use something and nothing in positive statements: 
I wanted to watch  on TV.
When I lost my money, there was  I could do.

We use anything in negative statements and questions:
When I lost my money, there was I could do (not there wasn’t nothing) 
I could afford  very expensive. (not I couldn’t afford something )
Did you buy  to wear for the party?
I'm not very lucky - I  win .

We also use anything with will, could and would to mean 'any thing, it does not matter what':
I will do  to have my watch back.
I liked the belt because I could wear it with .

We use everything to mean 'all things':
My friend and I do  together. (not do all together) 
I can't say  I want to say.



1) I wanted to buy .......... for the meal.
2) I'm not going to say .......... about the accident.
3) Thanks for .......... , and don't forget to write.
4) I've never heard .......... as loud as that!
5) There's a bed in my room, but .......... else.
6) The students would do .......... teacher asked.
7) I was really proud. I listened carefully and I understood .......... 
8) I can't play billiards or .......... like that.