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) Petroleum is (B) composed of a complex (C) mix of hydrogen (D) and carbon.

A. Petroleum 

B. composed 

C. mix 

D. and 

Mark the letter A,B,C or D on your answer sheet to show the underlined part that needs correction in each of the following question

There are a number of (A) reason why population (B) is concentrated in temperate regions, but the wide variety and (C) availability of animal and vegetable life may be (D) the most important

A. reason

B. is concentrated

C. availability

D. the most important

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

In the United States  among 60 percent of the space on the pages of newspapers is reserved for  advertising

A. among

B. of the space

C. is reserved

D. advertising

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

Not surprisingly, poverty is a problem worth of concern in every country

A. surprisingly 

B. poverty 

C. worth 

D. every country

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 show the underlined part that needs correction in each of the following questions.
In the United States (A) among 60 percent (B) of the space on the pages of newspapers (C) is reserved for (D) advertising.

A.among

B.of the space

C.is reserved

D.advertising

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
The progress made in spacetravel for the early 1960s is remarkable.

A. progress

B. made

C. in space

D. for

Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Pateurization is the process of the heating milk to destroy disease-caused organisms and bacteria.

A. the heating

B. to destroy

C. disease-caused

D. bacteria