AIsthisyourmother的精选

问题详情：根据情景完成对话，每空一词。 A:Isthisyourmother?             B:___1__,itis.Sheis__2___mother.A:Lookatthatgirl.Issheyoursister?B:No,___3__isn’t.___4___thatboy’ssister.A:Oh,isthatm...