Jack began to play the piano from last year.it has been one year____ _____ Jack _____ _____ play the piano.也留个名
问题描述:
Jack began to play the piano from last year.
it has been one year____ _____ Jack _____ _____ play the piano.
也留个名
答
since ;began to
答
it has been one year from which Jack began to play the piano.
答
it has been one year from when Jack began to play the piano.