Ответы и объяснения

What are you doing, Tina?
I'm writing a letter to my friend. I usually do this every Saturday.
Where are your mother?
She is working in the garden. She always cuts the grass on Saturday.
I'm looking out of the window now. I'm watching your father. He is cleaning his car.
I know, he always cleans his car on Saturday and helps my mother in the garden too.
Your family works very hard on Saturday.