The pronoun of this sentence would be her.
Squash is the racquet sport that features both hardball and softball versions. The English version uses the softball, while the North American version uses the smaller hardball.The game is now played in almost 150 countries. Championships or professional games are held for men and women in many age groups and often held in glass-walled courts for regular television coverage.
"I can't come with you as I am too busy."
