How long did you skate today?
how long did you skate?
how long did you skate today?和how long have you been skating
英语翻译How long did you skate today?How long have you been skat
How long didi you skate today?
how long did you skate?--I skated for two years.
-How long did you skate?-I skated for two hours.
How long have you been skating?与How long did you skate?的区别
How long have you been skating?How long did you skate?中文翻译的区
how long haveyoubeen和how long did you skate?什么区别?
How long ( ) you ( A.did skate B.have been skating 在这可不可以选A?
how long has Alison been skateing?与how long did Sam skate的区别
How long did you sleep