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.

Since vitamins are contained in a wide variety of foods, people seldom lack of most of them.

What is the main topic of the passage?

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

The phrase "exposed to" in line 2 could best be replaced by which of the following?

The brightest and most conscientious students are not encouraged to develop to their full (31)_____.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

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

I wish you ______ me a new one instead of having it ______ as you did.

How many students entering university have the first idea what the difference is between plagiarising someone else's work and (35)_____ good use of someone else's ideas?