If someone sneezes, you can say:

You would say “__________” when offering someone food or drink.

When you give something to someone, you can say: 

If you want to tell someone not to worry about something, you can say:

If something bad happens, and you want to show sympathy, you can say:

You say “__________” when someone performs well or achieves something.

If someone is sick, you can say:

You say “__________” when you want someone to relax or stop being upset.