问题补充:
The passer-by jumped into the cold water to save the boy, who cried for help, but it was too late and the boy was at last.
A. drowning; drowned
B. drowned; drowning
C. drowning; drowning
D. drowned; drowned
答案:
(答案→)A. drowning; drowned
B. drowned; drowning
C. drowning; drowning
D. drowned; drowned
解析:形容词辨析。Drowning正在下沉的 drowned淹死的;句意:那位过路人跳进冰冷的水中区救那个正在下沉的呼救的男孩,但是太晚了,那个男孩最终还是淹死了。