the person in trouble还是the persons in trouble

the teacher ( ) that we help the students in troubl 为什么答案是suggested .hoped不行? the first person travel in apologizing in person is the apologizing in person是什么用法? lenka troubl you are not the person in the the person care you,in particular,you The person i admire most in my The person who is in charge of a person be forgotten in the corner . the person in white______(want)for murder the person in trouble还是the persons in trouble There is a person in the room.对a person提问There is a person in the room.对a person提问 Let you become the most happy person is in the In the road ,only to warm my person the life .who is the most beautiful person in the world? Who is the loneliest person in the world? What is the shortest person in the world? lenka-troubl 怎么读