A.pronouns.rwrite these centens using,he,she,it,of and ther

1.Mary is a student.she is a student
2.peter is at school.he is a student
3.tom and mary are studentes.they are students
4.the teacher is here.he is here
5.school is open.it is open
6alvaro is single.he is single
7.Llisa and ana are at school.the are school