关于高三的两道时态方面英语题
1--Gotyourdrivinglicence?
--No,I__toobusytohavepractice,SoIdidn'ttakethedrivingtest
2JamhasbeenmajoringinmusicinhishometownsinceheleftBeijing,wherehe__forthreeyears.
为什么第一题用hadbeen第二题用studied第二题不也是应用现在完成时么