Allpilots________theirpassengers

发布时间:2020-07-28 17:18:07

All pilots ________ their passengers' ________.A.are responsible; safetyB.are responsible of, safetyC.responsible for; safeD.are responsible for; safety

网友回答

D
以上问题属网友观点,不代表本站立场,仅供参考!