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Thedoctorsandnursesdidasmuchastheycould

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問題詳情:

Thedoctorsandnursesdidasmuchastheycould

The doctors and nurses did as much as they could ____the injured children.

       A. save                     B. to save                  C. saving                  D. saved

 

【回答】

B

知識點:非謂語動詞

題型:選擇題

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