Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to the following question.

The more polluted the environment is, the less safe it becomes for the animals.

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 the following question.

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 the following question.

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 the following question.

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 the following question.

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 the following question.

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 the following question.

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

By the time you finish cooking they ____ their homework.