来源：学生作业帮 编辑：灵鹊做题网作业帮 分类：综合作业 时间：2024/05/11 01:31:05
英语（按首字母补全单词）
Some study animal diseases and try to find way to keep the animals from getting i_____.They do studies in m____ for animal.Vets listen to animal's h_____.They o___ on animals when they need to.
ill
medicine
heartbeat
operate
灵鹊做题网