–Did you ask the guard what happened? --Yes, he told me all ______ he knew. A. about which B. which ...
2023-01-22 09:36:54 59次 2014届江苏省江都市高一上学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
–Did you ask the guard what happened?
--Yes, he told me all ______ he knew.
A. about
which B.
which
C. that D.
what
本题链接：
