Definition: in a way that is not tied, limited, or controlled Level: B2
马挣脱开跑走了。
The horse broke ___free and ran away.
如果动物生来自由，为什么它们必须生活在监狱里？
If animals were born ___free, why do they have to live in a prison?
我们打开笼子后，鸟自由地飞走了。
The bird flew ___free after we opened the cage.
