When Madam Cuirie did the science experiement again, she was more careful where she a mis

发布时间：2020-08-17 11:57:30

When Madam Cuirie did the science experiement again, she was more careful where she      a mistake.
A. made
B. has made
C. was making
D. had made

网友回答

A. made
B. has made
C. was making
(答案→)D. had made
解析：由句意知“犯错误”是发生在“was more careful”之前，故用过去完成时。
【标签】动词时态
以上问题属网友观点，不代表本站立场，仅供参考！