1.You must not break the         (规定).
2.We can't make too much noise in the         (大厅走廊).
3.We have to wear         (运动鞋) for gym class.
4.It's not         (公平) that she’s allowed to go and I'm not.
5.He         (步行) two kilometres to work every morning.
6.She has to         (洗) the dishes after meals.