AGoodafternoonBGooda的精选

问题详情：根据上下文的意思，把下列对话补充完整.(共5个小题，每小题1分)A:Goodafternoon.B:Goodafternoon.A:WelcometotheEnglishComer. 1.____________________?B:IamfromGradeNine.A:HowlonghaveyoubeenlearningEnglis...