Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

For thousands of years, man has used rocks as main materials for building houses, made fences, pavements or even roofs for houses

A. man

B. rocks 

C. made 

D. roofs 

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

The Australian Open is a tennis tournament held annually over the last fortnight of January in Melbourne, Australia.

A. two days

B. four days

C. two weeks

D. two months