What does Easter celebrate

What does Easter celebrate?
When is it celebrated?
What do people do at Easter?
What do people eat at Easter?
What animal is frequently associated with Easter?
What do eggs symbolize?
How many days does Lent last for?

My friend (read) a book.
I (drink) tea.
They (make) noise.
He (look) through the window.
She (help) about the house.
We (watch) TV.
Granny (cook) dinner.
The birds (swim) on the lake.
The dog (sit) at the door.
It (look) at me.

Negatives / Questions

My friends are doing housework (what)
He is going to a shop (where)
She is cooking a cake (what)
She is waiting for a bus (what)
Anna is wearing trousers (what)
Masha is walking in a park (where)
You are waiting for her (who)
They are eating bananas (what)
Mark is driving a car (what)
You are watching TV (what)