附加题。    
 发现每组成语的规律，再各写两个。
1．弄假成真   虽死犹生                                             
2．东张西望   南征北战                                              
3．奄奄一息   窃窃私语                                              
4．小心翼翼   怒气冲冲                                              
5．胆小如鼠   守口如瓶