[题目]The doctors tried their best the dying girl's life, but they failed at last.A.saveB.savingC.savedD.to save 题目和参考答案——青夏教育精英家教网—

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【题目】The doctors tried their best ____ the dying girl's life, but they failed at last.
A.save
B.saving
C.saved
D.to save

【答案】D
【解析】句意：医生尽最大努力救那个病危的女孩的生命，但是还是失败了。try one's best to do sth尽力做某事。所以答案是D。

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