When the plane arrived, some of the detectives were waiting inside the main building ________others were waiting on the airfield.(2.0分)
A: during
B: where
C: which
D: while
出自:梦想在线大学英语1

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