八十年代的音乐风格非常多样化。

The music scene in the ___eighties was incredibly diverse.

我父母在八十年代相识并结婚。

My parents met and got married in the ___eighties.

我奶奶虽然八十多岁了，但每天还能织毛衣。

My grandmother is in her ___eighties but still knits sweaters every day.