Question

10. "Those responsible for the accident     be punished while those contributing to solving the problems be rewarded," promised the government official then and there.

A. need   B. shall

C. can    D. may

Answer 1

 

10.   B考査情态动词。句意：政府官员立即承诺："事故的责任人应该受到惩罚而那些对解决问题有贡献的人应该得到奖励。"shall用于第二、三人称表示允诺、命令等，符合题意。故选B项。