Telephone wires are hung loosely on poles mainly to _____.
(A) Help them look good
(B) Prevent them from touching the ground
(C) Enable them to bear the hot and cold weather
(D) Ensure clearer transmission of sound
Telephone wires are hung loosely on poles mainly to _____.
(A) Help them look good
(B) Prevent them from touching the ground
(C) Enable them to bear the hot and cold weather
(D) Ensure clearer transmission of sound