Since 1990, (3) ________a result of their ‘Plant Extinction Prevention Program’, sixteen species have been brought into cultivation and three species have been reintroduced.

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.