题干
The girls ______ how to dance a month ago and now they can dance well.
A：were taught
B：will be taught
C：are taught
D：have been taught
答案(点此获取答案解析）
A
The girls ______ how to dance a month ago and now they can dance well.
A：were taught
B：will be taught
C：are taught
D：have been taught
