We ______(learn) a number of English songs since the end of last year

问题描述:

We ______(learn) a number of English songs since the end of last year

have learned

have learned 或者have been learning(强调还可能继续学)

have learned
We have learned a number of English songs since the end of last year
自去年年底以来,我们已经学会了很多歌曲.

have learned 一般有since出现的主句都用用完成时表示