听力原文:(Man) Where's the supervisor who's in charge of this project? (Woman)(A) He went
听力原文:(Man) Where's the supervisor who's in charge of this project?
(Woman)(A) He went to the main office for the afternoon.
(B) In another week or two, at the most.
(C) We charge 30 dollars for this projector.
(30)
A.
B.
C.