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. 

Genes have several alternative form, or alleles, which are produced by mutations.

A. several alternative

B. form

C. which

D. produced by

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 the United States (A) among 60 percent (B) of the space on the pages of newspaper (C) is reserved for (D) advertising

A. among

B. of the space

C. is

D. advertising

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.

Cheaper (A)personal computers are been (B)produced (C)by manufactures throughout(D) the world.

A. Cheaper 

B. are been

C. produced 

D. throughout

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