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题目内容
The doctor (i)_____ so frequently on disease-prevention techniques that his colleagues accused him of (ii)_____.
- Blank(i)
- vacillated
- sermonized
- relied
- Blank(ii)
- steadfastness
- inconsistency
- negligence
vacillated , inconsistency 显示答案
以上解析由 考满分老师提供。