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 from 47 to 50.

The passage mainly discusses ________

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that best completes each of the following questions from 45 to 46.

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 sentences from 9 to 12.

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 from 21 to 24.

I explained the rules of the game carefully. However, he didn't understand them.

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 sentences from 17 to 20.