brace|braced|braces

她戴护膝来支撑受伤的膝盖。

She wears a ___brace to support her injured knee.

他们做好了心理准备，迎接即将到来的经济衰退。

They ___braced themselves for the coming economic downturn.

我需要戴牙套来矫正牙齿。

I need to wear ___braces to straighten my teeth.