a person 和an person什么时侯用an?说得具体点

a independent person 还是an independent person a person 和an person什么时侯用an?说得具体点 a还是an important person A person A s_________is a person who works in an office,working for another person a unkind person还是an unkind person怎样做这类题目? a person is a person because of another person when is a person not a person? a single person 和a person有什么区别i didn't know a single person there I didn't know a person there a single person和each person ,each individual 有什么区别? He is an ---person.A interesting B interested George is什么kind person 填a或者是an 请问a person-to-person call是什么 请问a person-to-person call是什么 by person和in person的区别 an original person in my Only takes a minute to encounter a person, an hour to like a person, a day to love a person, 翻译 this is a person Like a person hong