Beforeyouputonafrown(皱眉)，makeabsolutelysuretherearenosm...
问题详情：Beforeyouputonafrown(皱眉)，makeabsolutelysuretherearenosmilesavailable.—JimBeggsThelasttimemyeighty-three-year-oldmothervisited,Iaskedhowshewasfeeling.It’savalidquestion.Shehas,___16___,hadtw...