根据句意及汉语提示完成下列句子。  

1. I buy many            (玩具) for my son.  

2. What kind of            (活动) do you like?  

3. He lives in the            (西方) of the city.  

4. The children can't swim at the            (水池). 

5. My mother often            (购物) on weekends.