按要求写句子。  

1．女娲很难过。（改成反问句） 

2．女娲造了船，救出了洪水中挣扎的人们。（改为“把”字句和“被”字句）  

把字句：                                                                                                          

被字句：                                                                                                          

3．山上是碎石。（扩句）