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.

Dams are used to control flooding, provide water for irrigation, and generating electricity for the surrounding area

A. to control flooding

B. irrigation

C. generating

D. surrounding area

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.

Question 44: Dams are used to control flooding, provide water for irrigation, and generating electricity for the surrounding area.

A. to control flooding

B. irrigation

C. generating

D. surrounding area

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

Dams  are  used  to  control  flooding,  provide  water  for  irrigation  and  generating electricity for the surrounding area

A. irrigation                   

B. to control flooding   

C. generating                 

D. surrounding area

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.

Some bacteria are extrern_ely harmful, but others are regular used in producing  foods.

A. extremely harmful

B. producing foods

C. Some bacteria

D. regular used

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.

Some bacteria(A)are extremely harmful(B), but others are regular used(C) in producing foods. (D)

A. Some bacteria

B. extremely harmful

C. regular use

D.  producing foods

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) principles used in air – conditioning are (B) basically the same as (C) those used by the human body to cool (D) himself.

A. principles 

B. basically 

C. those 

D. himself

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 techniques of science and magic are quite different, but their basic aims – to understand and control nature, they are very similar.

A. magic

B. different

C. to understand

D. they are