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

The doctors hope to _____________ the source of the infection which has been a mystery for the medical community since its discovery.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

Hung: "How nice! You sang so beautifully!" - Giang:" _____________ ."

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

No one won the match; the final result was a(n) _____________  .

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) More than people there are, especially in poor countries with (B) limited (C) amounts of land and water, the fewer resources there are (D) to meet basic needs.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

Shining her torch, Linda could just _____________ a shadowy figure crouched behind a tree.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

My father, who is an accomplished guitarist, taught me how to play the guitar.

- Hoa: “Do you fancy going to a movie this evening?” - Hung:“ _____________ ”

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

After four hours of walking in the hot summer sun, we were _____________ for a drink.