单项选择题
Sign language is ()
A．not used as much today as it once was B．used as much today as it once was C．no longer used in the schools D．never used as much as today
单项选择题 The deaf "talked" to other people()
单项选择题 In the 1700s, the deaf were taught ()
单项选择题 What would you do if you want room service at 24 p. m.()
