题目

The operation is _____ success and the patient is now out of _____ danger. A. a, the                                                   B. a, 不填 C. 不填, the                                             D. 不填,不填 答案:B 解析: success 在此指“成功的事”,为可数名词;out of danger(脱离危险)为习语,其中不用冠词。
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