So serious that all the persons on board were killed.A. was the accidentB. did the acciden

发布时间：2020-08-16 11:58:05


So serious        that all the persons on board were killed.
A. was the accident
B. did the accident
C. the accident was
D. the accident did

网友回答

(答案→)A. was the accident
B. did the accident
C. the accident was
D. the accident did
解析：可联系答.案.网客服索取。
以上问题属网友观点，不代表本站立场，仅供参考！