YangMingisastudentofGrade7．HissisterYangNaisastudentof...
问题详情： YangMingisastudentofGrade7．HissisterYangNaisastudentofGrade8．Theyareinthesameschool．Thenewterm(学期)iscoming．Theywanttobuysomethingsforthenewterm．Theycometoashop．There’reallkindsofschoolthingsini...