다음 문장을 괄호 안의 지시대로 바꾼 것 중 옳지 않은 것은?
You are in the classroom. (의문문) → Are you in the classroom?
He is an only child. (부정문) → He isn't an only child.
She is an English teacher. (의문문) → Is she an English teach?
am a middle school student. (부정문) → I amn’t a middle school.