If there is any change about the time of the meeting, please notify us _____.
选择一项:
A. in time
B. on time
C. in advance
出自:人文英语 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