FOR THOUSAND OF YEARS, MAN HAS USED ROCKS AS MAIN MATERIALS FOR BUILDI...

Câu 3: For thousand of years, man has used rocks as main materials for building houses, made fences,

A B C

pavements or even roofs for houses .

D

Blacken the letter A, B, C or D on your answer sheet to indicate the word with the main stress

different from that of the other three words in each question.