A-A+ He has to remain() (警惕的) at all times as a pil 2022-08-12 22:40:42 问答库 阅读 198 次 问题详情 He has to remain() (警惕的) at all times as a pilot.A、vigilantB、convivialC、victoryD、vigor 参考答案 参考答案：A
