题干


31. So serious ________ that even the best doctors failed to save his life.

A:the man was injured

B:was the man injured

C:the man is injured

D:is the man injured

上一题 下一题 0.0难度 选择题 更新时间:2018-02-08 02:46:50

答案(点此获取答案解析)

B