Are she your sister?哪里错了,该怎么改

Are she your sister?哪里错了,该怎么改 Are she your sister?哪里错了 Are your sister Mary Cooper?Yes,she is.错哪里? where is Lucy?she,s my sister 哪里错了 怎么改 Is she your sister?改为复数怎么改? Are your sister a student?改错怎么改? She favourit holiday is Halloween 哪里错了 怎么改?、 I like collect stamps.哪里错了?该怎么改? A:Who is your sister? B:She is a waitress. 哪里错了,错了请更正. Who are they?They are doctors.哪里错了,该如何改 1 these are your sister 改成复数怎么改 2 they are my familys She is babysitting her sister.哪里错了?