题目内容
When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
A. made B. has made C. was making D. had made
D
解析:
略
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题目内容
When Madam Curie did the science experiment again, she was more careful where she_____ a mistake.
A. made B. has made C. was making D. had made
D
略