照样子写句子。     
例：缓慢的溪流萦绕着每一个山脚。    
       缓慢的溪流把每一个山脚萦绕着。    
       每一个山脚被缓慢的溪流萦绕着。    
(1)王芳打扫干净了教室。
                                                                                                                    
                                                                                                                   
(2)大树遮住了射进教室的阳光。