Question

把下面的单词分类。

spring   fly   what   swim   when   winter   always   often   fall 
plant   why   skate   sometimes   summer   usually   who
1.                                                      
2.                                                      
3.                                                      
4.                                                      

Answer 1

1. spring   summer   fall   winter    
2. swim   fly   skate   plant      
3. often   always   usually   sometimes    
4. why   when   what   who