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.

Killer whales tend to wander in family clusters that hunt,play and resting together.

A. Killer whales         

B. To wander         

C. clusters    

D. resting

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.

The medical problems of parents and their children tend to be very similar to because of the hereditary nature of many diseases.

A. their

B. tend to

C. similar to

D. because

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

Have I to tell them that you have come?

A. Have I to 

B. them 

C. that 

D. have come

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.

That the subways are overcrowded in Manhattan it is a problem that should be c

A. That

B. It

C. Is

D. dealt with soon

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 one class we had to do a research on the language used in business.

A. one class 

B. a research 

C. the language 

D. business

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

Trung wishes that he can have a chance to visit Singapore

A. that 

B. can

C. a chance 

D. visit

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

You have little to boast about, haven’t you?

A. have  

B. little  

C. about 

D. haven't you

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

Married customs differ greatly from society to society

A. Married           

B. society             

C. differ                

D. greatly