the first ciass and the second class 的意思

the first class begins at的意思 for the second time first of all的意思 the second class angel the second first time first-class, second-class 用适当的介词或副词填空Turn right()the first turning and take the second What time does the first class begin的意思是什么 I live on the first floor and they are second 1:May first.May the first.2:May the second与May second 的区别是什么 A first /a second/the first /the second november the second 的意思 请问the last/first/second/next/only to do的意思?