Beatles was a musical quartet formed and got world famous in the______.A.1960sB.1970sC.198

外语类 专四 已帮助 人

Beatles was a musical quartet formed and got world famous in the______.

A.1960s

B.1970s

C.1980s

D.1990s

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗