My name is Wang Lin, I am a from the first high school students on Sunday, my classmates go to nursing homes to participate in volunteer activities, we first take a bus to go to the nursing home, the old people see we are happy, we are very excited, we in nursing homes for old people singing, dancing and cleaning, we are very happy, we like to participate in the volunteer activities, it our duty to help the old
追问职责那个单词还可以换成哪个单词
追答那就"义务"吧 obligation。帮助老人是我们的义务。it out obligation to help the old