按要求写一写。 

（1）写一句描写天气变化的谚语。 

（2）写出两则歇后语。

（3）写出一副你喜欢的对联。

（4）写出4个描写夏天的词语，并用这些词语写一段话。 

（5）把句子补充完整。

     ①（       ）的敌人杀害了（       ）的小女孩。    

     ②（       ）的雪花从天空中（        ）地飘下来。

His parents were teachers in that school, _______ lost their lives in order to save

their students in the earthquake.  

A．none of them

B．both of them

C．none of whom

D．both of whom