Allthathashappenedisheart-break

发布时间：2020-07-28 13:14:40

All that has happened is heart-breaking. In fact, a little more carefulness ________this accident.A.should preventB.could preventC.would have preventedD.must have prevented

网友回答

C
以上问题属网友观点，不代表本站立场，仅供参考！