用形容词比较级造5个句子

Beijing is bigger than London. 北京要比伦敦大一点.
My older brother is one year older than I. 我哥哥比我大一岁
He is taller than his brother .他比他的兄弟长得高。
I want a cheaper one. 我要个便宜一点的。
Whose hair is longer, yours or hers?谁的头发比较长，你的还是她的？