While in bed the doctor was telephoned to go back to the hospital because of ____case. ( 章节：8 难度：4)
- A、a treatment
- B、an operation
- C、an incident
- D、an emergency
正确答案:D
答案解析:有
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While in bed the doctor was telephoned to go back to the hospital because of ____case. ( 章节：8 难度：4)
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