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.

The economy of Maine is based to a great extent in its forest, which over 80 percent of its surface area.

A. economy of

B. to a

C. in its

D. percent of

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.

The economy of Maine is based to a great extent in its forest, which over 80 percent of its surface area.

A. economy of     

B. to a         

C. in its       

D. percent of

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.

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.

Chemical engineering is based on (A) the principles (B) of physics, chemists (C), and mathematics (D).

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

Vietnam exports a lot of rice is grown mainly in the south of the country.

A. exports

B. is grown

C. in

D. of

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.

The world is becoming more (A) industrialized and the number of animal (B) species that have becoming (C) extinct (D) have increased. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions

A.  industrialized

B. species

C. extinct

D. have