The need for regular exchange of information on food safety issues is _______ when a food safety related event emerges.

选择一项:
A. urgent
B. unimportant
C. unnecessary
出自:管理英语3

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块