I don't know how old he is.(改为同义句） I have__ __how old he is.

I don't know how old he is.(改为同义句） I have__ __how old he is. How old is he? I don't know （变为同义句）I don't know ____ ____ I don't know how old he is 同义句转换 How old is he 改为同义句 How old is he?改为同义句 I don't know.How old are you?改为同义句 how old is he?的同义句 How old is he的同义句 写同义句:How old is he? How old is he (同义句转换) I don't know her age.How old is she?合并为一句 He is as old as I 的同义句