Sometimes you have to be your own hero为什么用be 不用do

Sometimes you have to be your own hero为什么用be 不用do Sometimes you have to be your own hero.... Sometimes you have to be your own hero.不太懂英文 英语翻译There's a hero inside your heart You don't have to be af sometimes you have to be cruel to be Do you prefer to choose your own roommate,or to be assigned Do you have something to be typed?为什么要用to be done的形式? We leave it to your own judgement ____ you should do it.A.be Do you think students should be able to have their own singl I was determined to be your hero You like to be on your own better.翻译 you are to be criticized为什么要用to be而不用going to be