↑ 收起筛选 ↑
试题详情

Three days after the aircraft went missing, an international effort ________ ships and planes hasn't found any wreckage, ________ growing frustration for the families of the 239 people on board.

A. involved; causing     B. to involve; caused

C. involving; causing    D. involving; having caused

高三英语单项填空中等难度题

少年,再来一题如何?
试题答案
试题解析
相关试题