按要求写句子。     

1．家家赶做年菜。     

扩句：                                                                       

2．放鞭炮时，孩子们高兴得一蹦三尺高。 

缩句：____                                                                

3．除夕之夜人们都要守岁。  

改为反问句：                                                                            

4．难道小刚的妈妈没有给他准备过年穿的新衣服吗？   

改为陈述句：