The seven-year-old girl had lerant about 20 English songs______. A.since last year B.last year
问题描述：
The seven-year-old girl had lerant about 20 English songs______. A.since last year B.last year
C.before last year
D.by the end of last year
求速度,还有理由
答
D
完成时,不是A就是D.
是过去完成时,因此只能是D.