Which one do I use OI or OY?

I use ___ for a cake pan and for cooking with.

I ____ pasta in a big pot of water.

It is very _____ in the classroom.

What happens to food when it is outside of the refrigerator for too long.

When I have to choose between two things I have to make a ______.

I have a very loud ____.

When a snake bites you it puts ____ in you.

When I go to the bathroom I have to flush the _____.

When a towel is a little wet it is ____.

I _____ my finger at my friend.