将下列感叹句改为陈述句。     
1．我多么希望硫酸厂早日治理污染，使空气变得清新呀!  
                                                                                                           
2．我多么希望再打开窗户时，即使是东南风爸爸也不咳嗽了!
                                                                                                            
3．人们真的盼望城市越来越美好呀! 
                                                                                                            
4．爸爸的工作太累呀！