Ответ:
Правильная форма глагола to be зависит от подлежащего: is употребляется с he/she/it, am — с I, are — с you/we/they.
- Susan is new to the school.
- I am 14 years old.
- They are in Room E.
- He is my best friend.
- You are in Grade 7.
Ответ: is; am; are; is; are.
