Mike's Photos

These are Mike's photos. Look at this photo. He is swimming in the sea. He likes swimming very much. He swims every day in summer holiday. He likes skating （溜冰） too. He is skating in the second photos. He always skates in November and December. What about the third photo? He is surfing the net. He surfs the net every weekend.

Questions:

?   Does Mike like swimming?

?   How often does Mike swim in summer holiday?

?   How often does Mike surf the net?

?   How many photos are there?

?   When does Mike skate?