1.seven years of training enabled him to handle this problem calmly.
2.Some soccer players blame on their bad luck when they cannot score.
3.Every driver should bear this in mind when they drive:any tiny mistake could cause an accident,which even leads to death.
4.This professor is too intelligent to be bothered by rumors.
5.However,sometimes no matter how many times you check your paper,you still cannot find your mistake.
6.Just now I was informed that you had successfully entered college,please allow me to give you my congrats for your success.