問題詳情:
Her little son fell off the boat into the water due to her carelessness. The mother couldn’t help ________ because she couldn’t help ________ her son out of the danger.
A. crying; to save B. crying; saving
C. to cry; to save D. cry; saving
【回答】
A
知識點:非謂語動詞
題型:選擇題