How long didi you skate today?

How long didi you skate today?
How long did you skate today?
How long have you been skating today?
Was this your first skating marathon?
Do you skate every day?
When did you get your first pair of skates?
How long have you been skating?
No, I skated in a marathon last year.
Since I was seven years old.
How long have you been skating、
since i was seven years old.
How long have you been skating、
How long did you skate?
I’ve been skating since nine o‘clock 这些是什么意识啊?速度帮忙