你可能在六十多岁时开始练瑜伽。

You might take up yoga ___in ___your ___sixties.

她六十多岁，仍然非常活跃。

She ___is ___in ___her ___sixties and still very active.

当你六十多岁时，你可能有更多空闲时间。

When you ___are ___in ___your ___sixties, you may have more free time.