A.To make sure that blind people have the same rights as everyone else.B.To provide the blind with a white lane for cross a street.C.To encourage people to volunteer to help the blind.D.To draw attention to the blind with a cane or a dog in crossing the street.
A.To make sure that blind people have the same rights as everyone else.
B.To provide the blind with a white lane for cross a street.
C.To encourage people to volunteer to help the blind.
D.To draw attention to the blind with a cane or a dog in crossing the street.