问题描述：
关于高三的两道时态方面英语题
1--Got your driving licence?
--No,I__too busy to have practice,So I didn't take the driving test
2 Jam has been majoring in music in his hometown since he left Beijing,where he__for three years.
为什么第一题用had been第二题用 studied第二题不也是应用现在完成时么
1--Got your driving licence?
--No,I__too busy to have practice,So I didn't take the driving test
2 Jam has been majoring in music in his hometown since he left Beijing,where he__for three years.
为什么第一题用had been第二题用 studied第二题不也是应用现在完成时么
问题解答：
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