问题 填空题
看一看,写一写。
1.
                               
2.
                                  
3.
                                 
4.
                             
5.
                        
6.
                                
7.
                            
8.
                      
答案

1. river    2. sea    3. rain    4. snow    5. sun    6. cloud    7. stream   8. vapour

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