根据下面的要求,以My Pet为题,写一篇80词的短文

My Pet
My pet is a cat.She was bought from the shop last month.It cost 50 yuan to buy it.Her name is ketty.She has nice and big eyes.Her hair is pure white.Sometimes she is very lazy.She usually sleep under the sofa .One day I couldn't find it anywhere.When I sat on my sofa I felt I trampled sonething .Oh that was my cat!
I love my lovely cat very much.