【单选题】When the author needed a post-office box, ______.
A.
he bad to put his name on a waiting list
B.
he wrote the postmaster a note of appreciation
C.
many people had applied for post-office boxes before him
D.
he asked the postmaster to make one for him
【单选题】When the author needed a post office box, ______.
A.
he had to put his name on a waiting list
B.
he wrote the postmaster a note of appreciation
C.
many people had applied for post-office boxes before him
D.
he asked the postmaster to make one for him
【单选题】()的表现形式为提单,因此也叫提单运输。
【单选题】三 2 如果配送客户数量较多且稳定、订货类型差异小、订货数量大、需求频率具有周期性,则可采用的订单分批方式是( ) 。