20世纪60年代的表达,哪个对?the 1960s,1960s,the 1960‘s ,1963's

问题描述:

20世纪60年代的表达,哪个对?the 1960s,1960s,the 1960‘s ,1963's

the 1960's

the 1960s和the 1960's都对的.
就是一定要加the