The sole of the shoes becomes plain after wearing it for several months. The reason is
A. Wearing out due to friction
B. Wearing out due to no friction
C. Sole is of bad quality
D. None of the above
Answer:A
The sole of the shoes becomes plain after wearing it for several months. The reason is
A. Wearing out due to friction B. Wearing out due to no friction C. Sole is of bad quality D. None of the above