听力原文:Where should I put the shipment of machine parts that just arrived?(A) No, they h
听力原文:Where should I put the shipment of machine parts that just arrived?
(A) No, they haven't arrived.
(B) It arrived at 3: 00 in the morning.
(C) In the storeroom on the first floor.
(31)
A.
B.
C.