问题
单项选择题
The shipping clerks must know which orders ______.
A．take priority
B．for wait
C．are paid for
D．require little attention
答案
参考答案：A
解析：[分析] 固定搭配 A．take priority比……居先；B．wait for等待；C．be paid for被偿还，被赔偿；D．require little attention不需注意；因此答案为A。