9. Unit 10 지금 몇 시예요? Practice, Speaking 1: Deciding what time to meet, Grammar 3: V-아서/어서

Whole-channel inclusion: NPTEL-NOC IITM (title sample: This is NPTEL's official archive of full university-level recorded lectures across every discipline, which is exactly the curated academic teaching content Lumen wants.; 3 of 3 sampled transcripts read as real teaching); this title passed a strict title check.