相关SmithMathDepartmentD的文学知识

问题详情：Smith:MathDepartment,Dr.Smith41.__________(speak).JanetHill:Hello,ProfessorSmith.ThisisJanetHillcalling.Ilivetwodoorsdownfromyourteachingassistant,DonWilliams.Donaskedme42._________(call)yoube...