5 Complete the sentences with the correct words. [5 points]peers, assistant, adolescents, siblings, principle1 People in the same age group are _________.2 This is too much work for one person. I really need a/an_________.3 The new _________ has made many good changes to the school.4 _________ often fight with each other when they are younger.5 When children become _________ they become more independent.