He is a very hardworking man. He is rather strict with us, but always fair. My elder brother Ken is thirteen, and he is very clever. He is good at Maths and always helps me with it, because I can hardly understand all these sums and problems what if. Ken has red hair and brown eyes. My name is Jessica. I am eleven. I have long dark hair and brown eyes.
Trong sạch và nhơ bẩn cũng đều tùy thuộc nơi mình. Không ai có thể làm cho người khác trong sạch hay ô nhiễm.