【题目】The doctor and nurses________ all night at the bedside of the patient, who was getting even worse.
A.lookedB.guarded
C.defendedD.watched
在线课程【答案】D
【解析】
考查动词词义辨析。句意：医生和护士整夜守在病人床边，病人的病情越来越严重。A. looked看；B. guarded守卫；C. defended防御；D. watched观察，看守。病人的病情越来越严重，所以医生和护士整夜守在病人床边。故watched“观察，看守”符合句意。故选D项。