B ,c , a помогите пожалуйсто.Зарание спасибо

B)1. susan is new to the school
2.i am 14 years old
3.they are in room E
4.he is my best friend
5.you are in Grade 7

b) 1.i am not 14 years old
2.they are not in room E
3.he is not my best friend
4.you are not in Grade 7
5. susan is not new to the school. надеюсь помогла))))