1,把best改为better; 两者比较,不能用best;
2.have been trained 改为has been trained; 因为主语是one;
至于里面的拼写错误,你自己应该知道.
3.but tomorrow we shall win still great victories.改为but tomorrow we shall win even greater victories.
4.he was failed改为he failed
5.increasingly popular改为more and more popula