I do not know how old she is,同义句,i 空格 空格 空格 how old she is

I do not know how old she is,同义句,i 空格 空格 空格 how old she is I do not know how she is do you know how old she is “How old is she?”的同义句 How old is she?的同义句. how old is she?同义句 how old is she的同义句 I don't know her age.How old is she?合并为一句 连词组句：do,I,not,how,the,little,old,boy,know,is(.) How Old Is She? 改同义句：How old is she?[What's____ _____?] I don't know how old he is.(改为同义句） I have__ __how old he is.