Mary is thhe oldest of the five这句话什么意思

Mary is thhe oldest of the five这句话什么意思 oldest Tom is john's oldest brother who is the oldest?怎么回答 richard is the oldest of us all. 短文：mary has four cousins.they are betty,peter,bill and ann.mary is the oldest of the five.betty is thirteen years old.she is two years younger than mary and one year older than peter.bill is nine,and ann,the youngest ,is seven.提问there are__ 此题应该选择哪个?I have three cousins.Jim is in university, Tony is a middle school student. Mary is only 10. She is_________________ of all. A.oldest B. the oldest C. youngest D. the youngest我也认为是D，可网上怎么都选 He has three sisters,all ____ tah he.___,Mary,is a doctora.older; The eldest b.older; The oldest选A.为什么?elder,older the oldesr,the eldest 在用法上有什么区别? Who is of the oldest or eldest of you three?oldest or eldest?why? How is Mary How is Mary How is Mary How is Mary How is Mary MARY IS HAPPY MARY IS HAPPY怎么样 What is the first name of your oldest niece? our Kate oldest in class the is连词成句 which is the oldest temple in your city怎么回答 Which is the oldest temple in your city? This is the oldest theatre in Beijing.用中文翻译 Which universities is the oldest in the United states? 改错：Li Ming is oldest in our class