For the last six months_____how to play the fluteI am learning I have been learningI learnedI learnI had been learning
问题描述：
For the last six months_____how to play the flute
I am learning
I have been learning
I learned
I learn
I had been learning
答
for the last/past ...用现在完成时或者现在完成进行时,这是固定的,所以用I have been learning