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 from 45 to 47.

The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.

A. experiments with

B. regardless

C. discoveries

D. was awarded

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 from 45 to 47.

The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.

A. experiments with

B. regardless

C. discoveries

D. was awarded

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 from 45 to 47.

The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.

A. experiments with 

B. regardless 

C. discoveries 

D. was awarded

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 from 45 to 47.

The 1983 Nobel Prize in Medicine was awarded to Barbara McClintock for her experiments with maize and her discoveries regardless the nature of DNA.

A. experiments with

B. regardless

C. discoveries

D. was awarded

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.

Economics (A) have been developed (B) rapidly (C) since (D) the last few years.

A. Economics

B. have been developed 

C. rapidly 

D. since

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 boy (A) which was given first prize (B) in the contest (C) was very (D) happy.

A. which

B. in

C. was

D. happy

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 Best Creative Ideal Prize is one of the three prizes awarded annually by the Literature Foundation for outstanding achievement in the field for Literature

A. three prizes

B. annually

C. achievement

D. for

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.

The number of students attending universities to study economics have increased steadily in the last few years.

A. economics        

B. of students         

C. have        

D. attending