2. 外语
  3. The doctors and the nurses did all they could ______ the patient’s life.

The doctors and the nurses did all they could ______ the patient’s life.

admin2012-01-16  58
问题 The doctors and the nurses did all they could ______ the patient’s life.
选项 A、save
B、to save
C、to be saving
D、to have saved
答案B
解析 本题考查不定式的用法。句中they could是定语从句修饰all，因此to save one’s life是医生和护士努力的目的。
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