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.

More and 90 percent of the calcium in the human body is in the skeleton.

A. the

B. human

C. is

D. and

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

More and 90 percent of the calcium in the human body is in the skeleton.

A. the

B. human

C. is

D. and

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

(A) Most sedimentary rocks (B) start forming when grains of clay, silt, or (C) sandy settle in river valleys (D) or on the bottom of lakes and oceans

A. Most

B. start forming

C. sandy

D. or on

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.

Migrant workers live in substandard unsanitary , and dilapidated housing and often are lacking medical care.

A. workers live    

B. substandard      

C. unsanitary        

D. are lacking

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 indicate the underlined part that needs correction in each of the following questions.

Migrant workers live (A) in substandard (B) unsanitary (C), and dilapidated housing and often are lacking (D) medical care.

A. workers live

B. substandard

C. unsanitary

D. are lacking

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.

Possibly the easiest and most enjovablv way to become a weather watcher is simply to observe the clouds.

A. Possibly 

B. easiest     

C. enjoyably         

D. to observe