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.

All nations may have to make fundamental changes in their economic, politics and technological institutions if they are to preserve the environment.

A. have to make   

B. economic

C. politics

D. to preserve

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.

All nations may have to make fundamental changes in their economic, politics and technological institutions if they are to preserve the environment.

A. have to make

B. economic

C. politics

D. to preserve

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.

All nations may have to make (A) fundamental changes (B) in their economic, political, and the technological institutions (C) if they are to preserve (D) environment.

A. have to make

B. changes 

C.  the technological institutions 

D. to preserve 

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.

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

Choose A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

All nations have to make fundamental changes in their economic, political, and the technological institutions if they are to preserve environment.

A. have to make

B. changes in 

C. the technological institutions

D. to preserve

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.
In order to avoid to make mistakes, take your time and work carefully.

A. In order to

B. to make

C. take

D. carefully

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 Prime Minister is to consider changes to sexually discrimination laws to enforce equal opportunities.

A. is

B. to

C. discrimination

D. enforce