Don’t leave the water ____ while you brush your teeth.
A. run B. running C. being run D. to run
Don’t leave the water ____ while you brush your teeth.
A. run B. running C. being run D. to run
B
非谓语动词作宾语补足语时,选项A、D表示将来可能发生的动作;B表示宾语持续性动作,根据句意选B,表示水不停地流出。