David realized that his camera was missing when he was ________.

A)
in the café
B)
in the departure lounge
C)
at the gate
出自:上海开放大学-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