If there is any change about the time of the meeting, please notify us ______________.

A)
in time
B)
on time
C)
in advance
出自:上开大学英语2

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