1.There is a thing that is the first to pity and the last to help

问题描述:

1.There is a thing that is the first to pity and the last to help
2.I am the biginning of sorrow,and the end of sickness
3.You cannot express happiness without me; yet I am in the midst of crosses

1.the letter "p"
2.the letter "s"
3.the letter "s"thank you