------ two years to looking after the patient,she badly need

选择Devoted
解析：
adj.献身的；忠诚的；挚爱的；专心的
v.献身于……；致力于……（devote的过去分词）
这里是考核be devoted to doing something或者to something献身于,致力于做某事
例句：
Devoted to his homeland,the old scientist is deeply respected and loved.
因为对祖国忠诚,这位老科学家深受人们的尊敬和爱戴.
希望能帮助到您