He is a person___is easy to get along with.为什么填who而不是whom

He is a person___is easy to get along with.为什么填who而不是whom ()is he?He is a doctortyhfggfgfgdf He is a doctor he is a HE IS A GAY He is a short he is a little He is a boy he is a simple he is a foolish he is a tall he is a dream he is a girl He is a bear He is not a teacher,is he?A.Yes,he is B.No he is not. He is a student,isn't he?He is a student,is not he?哪一个正确 He is a student,isn't he?He is a student,is not he?哪一个正确 He is a math teacher.He()()