按要求改寫句子。     
1．小嘎子摔了個(gè)仰面朝天。     
改為“被”字句：                                                                                          
2．你莫不是還有兩個(gè)親人不曾見面？ 
 改為陳述句：                                                                                                  
3．天下有這樣標(biāo)致的人物。  
改為反問句：                                                                                                   
 4．嚴(yán)監(jiān)生是一個(gè)很有錢的人。 
改為雙重否定句：