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.

Difference conversation efforts have been made in order to saving endangered species.

A. Difference

B. have been made

C. saving

D. endangered species

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 recent years (A) great advances forward (B) have (C) been made in the field of genetic research.(D)

A. In recent years

B. forward

C. have

D. genetic research

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

The number of wildlife habitat reserves (A) have been (B) established in order to (C) save endangered (D) species from extinction.

A. have 

B. established 

C. save 

D. species 

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.

It is the ASEAN Para Games that disabled athletes have an opportunity to have their talents and efforts recognised

A. the ASEAN Para Games

B. disabled

C. an opportunity

D. recognised

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.

It is the ASEAN Para Games that disabled athletes have an opportunity to have their talents and efforts recognised

A. the ASEAN Para Games

B. disabled

C. an opportunity

D. recognised

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

A lot of discoveries have made in the fields of chemistry and physics

A. a lot of

B. have made

C. in

D. fields of