Beforeyouputonafrown(皺眉)，makeabsolutelysuretherearenosm...
問題詳情：Beforeyouputonafrown(皺眉)，makeabsolutelysuretherearenosmilesavailable.—JimBeggsThelasttimemyeighty-three-year-oldmothervisited,Iaskedhowshewasfeeling.It’savalidquestion.Shehas,___16___,hadtw...