В этом видео мы рассматриваем то, как используются предлоги "in" и "at" с такими словами, как school, office, hospital, etc.
1. Without "the"
"He is in school" & "He is at school" have the same meaning.
2. With "the"
- "He's in the school" - means he is inside the building.
- "He's at the school" - means he is in the vicinity of the school.