补全对话A.Isthatyoursister?B.Andthesearemyparents.C.Isthisy...
问题详情：补全对话thatyoursister?thesearemyparents.thisyourbrother?ismymother.’smyfamilyphoto.A:Hello,Lucy!B:Hi,Mary!What’sthis?A:1. B:Aretheseyourgrandparents?A:Yes.2.ThisismynameisMike.3.HernameisT...