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 deficient (A) of folic acid is rarely found (B) in humans because (C) the vitamin is contained in (D) a wide variety of foods. 

I demand to know how this vase ______, and no one is leaving till I find out. 

You may find doing this job very _______. Try it! 

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

“Please, let my child go!” she begged the kidnapper.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

The head teacher has asked me to take the new boy under my ______ and look after him. 

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

She fell over in the last minutes. She didn't win the race. 

Turn off this machine, please. The harsh sound really _______ me crazy. 

It's very important that we _______ as soon as there's any change in the patient's condition.