为什么不加飘sher husband's back trouble中back后为何不佳's?

为什么不加飘sher husband's back trouble中back后为何不佳's? 问这个句子husband's 为什么要加S! your sister's husband husband's sister是什么意思 dear pig's head husband she's had trouble with her husband.为什么is后面可以加had husband , Husband husband husband husband husband My aunt's husband is my____. MY HUSBAND IS LIKE WOMAN'S MAN 那,Did Jim become Rose's husband? She's better at learning English than her sister.(改写句子,句意不变)Sher __________ __________ __________ English than her sister. TEST FIVE 11.sheinquired her husband’s health in her letterTEST FIVE 11.sheinquired her husband’s health in her letterA)afterB)intoC)forD)about请问答案为什么选A,请帮我详细的解答,谢谢~ she didn't accept her husband's advice =she____ _____accept her husband's adviece