In the past, importance was not given to shoes being...

Câu hỏi: Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer for each of the blanks from 25 to 29.
In the past, importance was not given to shoes being comfortable or fashionable. Early foot coverings were probably animal skins which people tied round their ankles during cold (25) ___________We still use leather today but (26)___________ materials such as silk, plastic, or cotton are also popular depending on what is in fashion.
It was only one hundred and fifty years ago that people began to wear a different shoe on each foot. Formerly, the two shoes had been straight instead of shaped and could be worn on the left or the right foot. All shoes used to be made by hand, but now, although there are shoemakers still using their (27) ___________skills, most shoes are now machine-made in large factories. The introduction of sewing machines (28) ___________the shoe industry to produce large (29) ___________of cheaper shoes for a wider range of buyers.
The word or phrase which best fits the gap (27) is...
A. typical
B. usual
C. model
D. traditional