题目内容：

I have been skating for 3 years.=I have _____ _____ I came here.
急.I have been skating for 3 years.= I _____ to _____ _____ _____ ago.

优质解答

I have been skating for 3 years.= I _____ to _____ _____ _____ ago.
started...skate three years

追问：

I have been skating for 3 years.=I have _____ _____ I came here

追答：

started since