Question

the building that u leave without ever having entered

Answer 1

1.hospital

2.Railway station (train carried you into station).

3.college that offers online course -you take admisson online, you attend online, you give exam online, you leave college online. Without physically entering or exiting.

4.or you sit in a field , a building is built around and above you or placed above you by a crane, you leave this building without entering.

Answer 2

I think it's HOSPITAL