(2013·临沂二模)________ is often the case with old people, my grandfather is fond of doing morning exercise.

In the past few years, My Heart Will Go On was a popular song among young people, ____ were often heard singing it at parties．

 ________ is known to us all is that the old worker, for _______ life was hard in the past, still works hard in his seventies.

The people, ______ had been damaged by the flood, were given help by the Red Cross. 

 The Roman alphabet is a Greek invention, ______ is the marathon, a long distance race created in honour of a Greek soldier.