(1) are your kids having trouble passing their classes? 2) get them the they need. (3) call tutorific, it’s the best tutoring service in town. (4) all our tutors are experienced teachers certified to teach in their subject areas. (5) our tutors also undergo extensive training in teaching methods. (6) experience and training make tutorific’s tutors the most effective in the city. (7) in fact, a recent survey shows that after 20 hours of study with a tutorific tutor, students improved their test scores an average of 40 percent.

which revision does the passage need?