enough修饰副词的位置

I was old enough to work and earn money...
我已经长大了，可以工作赚钱了。
Do you believe that sentences for criminals are tough enough at present?...
你认为当前对罪犯的判决足够严厉吗？
She graduated with high enough marks to apply for university.
她的毕业成绩足以申请上大学。