Identify the one underlined word or phrase that must be changed to make the sentence correct.

Unless (A) you pour (B) oil on (C) water, it floats. (D).

Mark the letter A, B, C, or D on your answer sheet to indicate the word that has the underlined part pronounced differently from the others.

Mark the letter A, B, C or D on your answer sheet to choose the word whose underlined part is pronounced differently from the rest.

Mark the letter A, B, C or D on your answer sheet to choose the word whose underlined part is pronounced differently from the rest.

Choose the word whose stress is placed differently from that of the others.

Choose the word whose stress is put differently from that of the others.

Choose the best one (A, B, C or D) to complete the sentence.

Not every student is aware of _________ of the English language.

Choose the best answer to each of the following questions.

Many of the                  in China have failed to meet their promised potential.