Doctors are still trying their best to the boy for his broken leg.
A. cure
B. recover
C. operate
D. treat
网友回答
A. cure
B. recover
C. operate
(答案→)D. treat
解析：词组“treat sb.for his+身体部位”，意为“治疗某人的某个不适的部位”，而其他动词：cure“治愈”，与介词of连用；recover“复元”，与介词from连用；operate 后面不接人作宾语。