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.

There are different hundreds of species of butterflies in Cuc Phuong National Park.

A. There are

B. different hundreds of

C. species of

D. in

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 production of different kinds of artificial materials are essential to the conservation of our natural resources

A. artificial 

B. are essential 

C. to 

D. The production 

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

You (A) are (B) quite so thin that you (C) can slip (D) between the bars.

A. are 

B. quite so

C. can slip

D. between 

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) science and technology industries (B) have grown up (C) steadily over the (D) last decade.

A. science 

B. have grown up 

C. steasily 

D. last decade

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.

After the social science lecture all students are invited to take part in a discussion of the issues which were risen in the talk.

A.social science lecture

B.to take part

C.of the issues

D.risen in

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.

After the social science lecture all students are invited to take part in a discussion of the issues which were risen in the talk.

A. social science lecture 

B. to take part 

C. of the issues 

D. risen in 

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