照樣子寫(xiě)句子。     
例：緩慢的溪流縈繞著每一個(gè)山腳。    
       緩慢的溪流把每一個(gè)山腳縈繞著。    
       每一個(gè)山腳被緩慢的溪流縈繞著。    
(1)王芳打掃干凈了教室。
                                                                                                                    
                                                                                                                   
(2)大樹(shù)遮住了射進(jìn)教室的陽(yáng)光。