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.

Each of the chemical elements have its own standard symbol.

A. of the

B. chemical

C. have

D. its own

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

Although no country has exactly the same folk music as those of any other, it is significant that similar songs exist among widely separated people

A. no country

B. as those

C. exist

D. widely

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.

A turtle differs from other reptiles in that its body is encased in a protecive shell of their own

A. from

B. other

C. in that

D. their

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.

Each of the students (A) in the (B) accounting class has to type their (C) own (D) research paper this semester.

A. students 

B. in the

C. their 

D. own 

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.

Everybody in class has to choose a topic of your own to write an essay of 500 words.

A. has

B. topic

C. your own

D. of

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.

The (A) economy of this country is based (B) to a great extent (C) in its forests, which cover 80 (D) percent of its surface area.

A. economy 

B. to 

C. in its 

D. percent of

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.

I invited 20 people to my party, some of them are my former classmates.

A. invited                        

B. to                      

C. them                  

D. former