第五是Number five还是Number Five?

第五是Number five还是Number Five? 5号的英语怎么说?Number Five 还是 Number five是一个? number five 大写还是小写 My Number is Five .number和five 是大写的吧? I am Number Five.对划线部分提问,划线的是Five 说第五排,用英语FIVE ROW还是ROW RIVE 呀.应该是大写还是小写 5英尺是five feet还是five foot 是add five to six还是five add to six 是说more five students还是more students than five 是twenty-five to eight 还是eight to twenty-five five to five是5：05还是4:55 是FIVE YEAR OLD还是FIVE YEARS OLD 是five packets of eggs还是five packets of egg? 1、I number is five 2、I'm number is five 3、My number is five第一句是病句,修改为2、3那句正确呢?说明. a number of five ciphers 五位数字 a number of是做什么的啊?five ciphers不就已经是五位数字的意思了吗? 请英语高手解答有几个语法题改错（我想知道的是为什么那么改）1.A large number of land has been covered by deserts.（答案是把number改为amount）2.1.A large number of land has been covered by deserts.（答案是把numb Five dollars ____enough.是is还是are? number 的缩写是NO.还是No.