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

It is stated that we are now in the first stages of a battle for the ___ of life on the earth.

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 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 word that differs from the other three in the position of primary stress in each of the following questions.

Patient: “Can I make an appointment to see the doctor, please?” – Receptionist: “_____”

Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.