1)They are like a twins!!! There is no comparison betwen them.2)If  you do not overcome your obstacle,you will never win.
3)To do abdorminal crunches.
4)You must do ten squats!!!
5)Treadmill is the best cardiovascular equipment
6)He acquired distinction.Now he is a star.
7)He was a bright, brisk lad, fresh from Oxford
8)I know some martial arts.