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.

When a pearl is cut in half and examined under a microscope, but its layers can be seen.

A. a microscope

B. be seen

C. but its

D. is cut

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.

When a pearl is cut in half and examined under a microscope, but its layers can be seen.

A. a microscope 

B. be seen 

C. but its 

D. is cut 

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.

When a pearl is cut in half and examined under a microscope, but its layers can be seen.

A. a microscope

B. be seen

C. but its

D. is cut

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 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

Rainforests are being cut and burning at such a speed that they will disappear from the earth in the near future

A. are being cut

B. burning

C. such a speed

D. from

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.

Rainforests (A) are being cut and (B) burning at (C) such a speed that they will disappear  (D) from the earth in the near future.

A. are being cut

B. burning 

C. such a speed

D. from 

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.

Almost (A) of the trees (B) in this plantation have been (C) cut down and (D).

A. Almost 

B. trees 

C. have been

D. and 

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 43 to 45.

No matter who (A) rich he is (B), he never gives anything to (C) the poor (D).

A. No matter who

B. he is

C. to 

D. the poor