Which of the twin sisters is a doctor _____are A.All B.Both C.Eit_英语解答

Which of the twin sisters is a doctor _____are A.All B.Both C.Either D.Neither 解释

人气：474 ℃　时间：2020-04-16 21:42:33

解答

both
有后面的are可知,有复数个人是医生,所以是both