縮句。  
(1)家家戶戶的窗口上都開(kāi)滿了鮮花。
                                                                                                                      
(2)它們的表情仿佛也是快樂(lè)的。 
                                                                                                                      
(3)此刻所展示的便是它們獨(dú)特的笑顏。