Check and correct the subject and verb agreement where necessary in the following sentences:
The skill of understanding personal communications is crucial to good business.
Not many people know the truth about the lifestyles of the rich and famous.
The number of people who are mobile phone owners rise every year.
the skills of understanding personal communication are crucial to good bussines not many people know the truths about life style of the and famous a number of people who aremobile phomes oweners rises every year
