听力原文:W: I'd like to check in, please.M: OK. Just show me your ID card and sign the reg
听力原文:W: I'd like to check in, please.
M: OK. Just show me your ID card and sign the register.
Q: What's the relationship between the two speakers?
(13)
A.Customs officer and traveler.
B.Hotel clerk and resident.
C.Professor and student.
D.Landlord and lodger.