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.

By measuring the color of a star, astronomers can tell how hot is it. 

A. measuring 

B. the 

C. how 

D. is it 

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

By measuring the color of a star, astronomers can tell how hot is it

A. measuring

B. the

C. how

D. is it

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.

Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I get

D. the city

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.

Could you tell me how can I get to the city library, please?

A. Could

B. me 

C. how can I get

D. the city

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.

Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I get

D. the

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.

Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I get

D. the

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