Visitor Notice Please do not make or take phone calls in the hospital buildingĐoạn văn55/70Mark the letter A, B, C or D on your answer sheet to indicate the meaning of the notice in each of the following questions Visitor Notice Please do not make or take phone calls in the hospital building Visitors mustn't use their phones anywhere inside the hospital.Visitors should speak to hospital staff if they need to use a phone.Visitor's phones won't work inside the hospital building.Visitors can use their phones anywhere inside the hospital.Giải thíchA. Visitors mustn't use their phones anywhere inside the hospital.