As it was almost time for the flight all the passengers got the plane.A. boardB. abroadC

问题补充：

As it was almost time for the flight, all the passengers got the plane.

A. board

B. abroad

C. aboard

D. broad

答案：

A. board

B. abroad

(答案→)C. aboard

D. broad

解析：考查词义辨析：A. board委员会B. abroad出国C. aboard上（船，飞机，火车等）D. broad宽阔的，句意：因为快到航班的时间了，所有的乘客都上了飞机。选C。