How old are you?I m ( )------(right)更换所给单词中的一个字母,使句子通顺

How old are you? I`m ten years old. 怎样句型变换?求高手! 1.I'm not sure how old are you?2.I'm not sure how old you are?which one is right?tks how old are you “How old are you? how old are you How old are you? :How old are you? How old are you? i don't know how old you are其中how old you are是倒装吗? How old are you?I'm( )right把right改一个字母填进括号里 How old are you I'm 13 and my brother is 2 years older. How old are you?i'm( ) (right)用一个字母进行调换,可以填进括号! 修改错误How are you?I’m twelve years old.__________ How old are you?I am 13.( )you? May i ask how old are you与May i ask how old you are哪个句型对,为什么 -How old are you,Mrs Green?-_____ A.twelve B.It's a secret C.I'm ten D.How are you 选择 how old are you?英译汉 翻译：How old are you?