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 order to avoid to make mistakes, take your time and work carefully.

A. In order to

B. to make

C. take

D. carefully

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.

If carefully doing, the experiment will be successful.

A.If 

B.doing

C.will

D.successful.

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.

If carefully doing, the experiment will be successful

A. If

B. doing

C. will

D. successful

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

If carefully doing. the experiment will be successful.

A. If  

B. doing       

C. will         

D. successful

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.

Students suppose (A) to read all the questions (B) carefully and find out (C) the answer to them (D).

A. suppose 

B. all the questions 

C. out 

D. them

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.

If I had studied carefully, I wouldn’t make so many mistakes.

A. carefully

B. had

C. make

D. so man

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