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.

Leonardo is often thought of primarily as an artist, and with masterclasses such as The Last Supper and the Mona Lisa to his credit, his place in art history is assured.

A. masterclasses

B. thought of 

C. place

D. to his credit

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.

Some people say often that using cars is not so convenient as using motorbikes.

A. say often

B. using cars

C. so

D. as using motorbikes

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.

Some people say often that using cars is not so convenient as using motorbikes.

A. say often

B. using cars

C. so 

D. as using motorbikes

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

Some people often say  that using cars is not as convenient than using motorbikes

A. often say  

B. using cars

C. than

D. using motorbikes

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 human brain is often comparing to a computer, but such an analogy can be misleading.

A. misleading

B. The human 

C. but such 

D. comparing

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 human brain is often comparing to a computer, but such an analogy can be misleading.

A. misleading                  

B. The human                  

C. but such                      

D. comparing

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

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

Not longer are contributions to the advancement of industry made primarily by individuals

A. advancement

B. contributions

C. madeD. Not longer

D. Not longer