Ответ:
1 Susan is new to the school.
Susan isn't new to the school.
Ответ: isn't
2 I am 14 years old.
I am not 14 years old.
Ответ: am not
3 They are in Room E.
They aren't in Room E.
Ответ: aren't
4 He is my best friend.
He isn't my best friend.
Ответ: isn't
5 You are in Grade 7.
You aren't in Grade 7.
Ответ: aren't
