改写句子。按括号中的要求完成改写后的句子，每个空格填一个单词。
They are playing computer games. (改为否定句)
They ______________ _____________ playing computer games.
It’s two kilometers from my home to the subway station. (就句子划线部分提问)
______________ ______________ is it from your home to the subway station?
“Why do you wear my hair band?” I asked my little daughter. (改写句子，句意不变)
I asked my little daughter ___________ she ___________ my hair band.
We should make everybody know that it’s important to recycle things like used paper.
(改写句子，句意不变)
We should make everybody know the ___________ of ___________ things like used paper.
We can find new buildings everywhere in our city. (改写句子，句意不变)
New buildings can _______  _______ everywhere in our city.