根据句子意思，、选择正确的图片（每小题2分，共10分）。

(1)-- What does your brother do ?   -- He is a policeman .
(2)-- Which season do you like best? 
-- I like summer best . Because I can swim .
(3)--What is the elephant doing now? 
-- It is drinking water .
(4)--What is your mother doing? --She is cooking dinner .
(5)Please remember the traffic rules. We must stop at a red light .