Itissaidthatpoliceofficershavebeenclosely 文语库 习题库 2.98W 大中小设置文字大小 问题详情:It is said that police officers have been closely ________ the organization's activities.A. monitoring B. seeing C. noticing D. observing 【回答】A知识点:动词题型:选择题 TAG标签:#