A.XX Hotel,May I Help You B.Operator,May I Help You C.Hello D.Operator,What Can I Do For You
A.先飯店所客人 B.先平信再傳真 C.通常情況下乘坐員工電梯向高層遞送 D.先常客后一般客人
A.1 B.2 C.3 D.5