改正下列英文句子How old is your sister?How old is Great Wall?It’s be

改正下列英文句子How old is your sister?How old is Great Wall?It’s be how old is the Great Wall? how,sister,old,is,your组句 how old is your sister?she is 11 years old. “How old is the Great Wall”这句话是什么意思? Great wall,old,is,how,the 连词成句 How old is my sister How old is her sister How old is your mother?回答句子 How old is your sister?改为同义句 Carol,how old is your baby sister today? How old is your sister 改为同义句