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 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 underlined part that needs correction in each of the following questions.

For thousands of years, man has created sweet-smelling substances from wood, herbs, and flowers and using them for perfume or medicine.

A. man       

B. sweet-smelling  

C. using them       

D. or

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 underlined part that needs correction in each of the following questions.

For thousands of years, man (A) has created sweet-smelling (B) substances from wood, herbs, and flowers and using them (C) for perfume or (D) medicine.

A. man

B. sweet-smelling

C. using them

D. or

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.

Building thousands of years ago, the ancient palace is popular with modern tourists.

A. Building

B. ago

C. the ancient

D. popular with