谁知道为什么用"doctor's"?

谁知道为什么用doctor's? Where is your aunt?She is at the doctor‘s.为什么用doctor’s she had been at the doctor's for a long time为什么用doctor's They aren't here now; they have gone to the _______(doctor). 为什么用doctor's? 谁知道 中国品牌为什么要投资韩剧《Doctor异乡人》? the doctor saved a lot of people's lives为什么用lives?、 the doctor's用汉语怎么说快 An apple a day keeps the doctor away为什么doctor不加s Mrs Smith went to the ____(doctor' s,doctor)yesterday afternoon.填哪一个,为什么 the medical team is made up of five_and seven_.A man doctors,woman doctor B men doctors,woman doctor C man doctors,women doctor D men doctors,women doctor 但为什么women doctor的doctor后面不加s呢? Is Tom going to visit a___?No.He will stay at his___.A(doctor,uncle)B(doctor's,uncle's)C(doctor's,uncle)D(doctor,uncle's)请问选哪一个,为什么? doctor's是什么意思 Doctor's day是什么? 看医生用英语怎么说是go to the doctor's还是go to the doctor he was -------at this time yesterdayA at the doctor B at the doctor's 选什么,为什么 Some people at The doctor's 什么意思啊,‘S后面应该加个名词啊还有，为什么用AT而不用IN呢，在医生的家 at the doctor、at the doctor’s 、in the doctor 、 in the doctor ’s 的区别 博士为什么叫doctor