Ответ:

1 Susan ..... new to the school.

Susan is new to the school.

Ответ: is

2 I ..... 14 years old.

I am 14 years old.

Ответ: am

3 They ..... in Room E.

They are in Room E.

Ответ: are

4 He ..... my best friend.

He is my best friend.

Ответ: is

5 You ..... in Grade 7.

You are in Grade 7.

Ответ: are