Look at my family t____. I have a g____ and a grandmother. They are old. They live with us. I have three c____. One of them is my uncle's d____. The other two are my aunt's s____. They are all lovely. We often play t____. Look at that man. He is my f____. He is a teacher. He is h____ with his students every day. Here comes my mother. She is beautiful. I am beautiful, t____. I have got a b____ and nice family.

    How about yours?

一个最简真分数，分子与分母的和为7，这样的分数的和是（）