Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Humans  have done great advances in technology at the expense of the environment.

A.have done

B. at the expense

C. advances

D. humans

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 D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

Adult humans have more than a trillion cells in his bodies.

A. Adult

B. than

C. cells

D. his

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 (A) science and technology industries (B) have grown up (C) steadily over the (D) last decade.

A. science 

B. have grown up 

C. steasily 

D. last decade

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

Mr.Merlin, that dies at the end of the film Kingsman, is really good at computing and technology.

A. computing       

B. is   

C. at  

D. that

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.

Question. 43: Meal time is a great time for family members to talk about that  is going on in their lives.

A. is

B. talk about

C. that

D. on in