( )the eng of last year,we had learned eleven English songs.填空

问题描述:

( )the eng of last year,we had learned eleven English songs.
填空

by the end of 后面接完成时...

By

By
by the end of last year是截止到去年年底的意思.
这句话的意思是:截止到去年年底,我们已经学会了11英语歌.
逗号后面用的过去完成时,所以要用by.

By
到去年年末为止,我们已经学了11首英文歌曲了
应该是BY THE END OF 到。。为止 后面一般接完成时