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.

Chemical engineering is based on the principles of physics, chemists, and mathematics.

A. on

B. principles

C. chemists

D. mathematics

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Chemical engineering is based on the principles of physics, chemists, and mathematics.

A. on

B. principles

C. chemists

D. mathematics

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Chemical engineering is based on the principles of physics, chemists, and mathematics.

A. on

B. principles

C. chemists

D. mathematics

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.

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.

Hardly he had graduated from Vietnam Naval Academy when he joined Vietnam Coast Guard.

A. he had    

B. graduated from  

C. when       

D. joined

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.

Engineering is a profession who puts scientific knowledge to practical use.

A. Engineering 

B. who

C. scientific 

D. to 

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.

Each of the chemical elements have its own standard symbol.

A. of the

B. chemical

C. have

D. its own