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.

According to statistics, the number of young people who actively uses  Instagram and and Snapchat has increased sharply in recent years.

A. the number

B. who actively uses

C. has increased

D. in recent years

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.

According to statistics, the number of young people who actively uses Instagram and Snapchat has increased sharply in recent years

A. the number

B. who actively uses

C. has increased

D. in recent years

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.

According to statistics, the number of young people who actively uses Instagram and Snapchat has increased sharply in recent years.

A. the number 

B. who actively uses 

C. has increased 

D. in recent years. 

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.

According to statistics, the number of young people who actively uses Instagram and Snapchat has increased sharply in recent years.

A. the number

B. who actively uses

C. has increased

D. in recent years.

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.

For more than (A) 450 years, Mexico City has been (B) the economic, culture (C) and political centre of Mexican people (D).

A. more than

B. has been

C. culture

D. Mexican people

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.

Many people who live near the ocean depend on it as a source of food, recreation, and to have economic opportunities.

A. depend on

B. food

C. recreation

D. to have economic

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.

Many people who live near the ocean depend on it as a source of food, recreation, and to have economic opportunities.

A. depend on

B. food

C. recreation

D. to have economic

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.

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