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.
Question 1: A. painless B. envious C. upset D. tennis
Question 2: A. background B. paddle C. tragic D. starving
 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 the primary stress in each of the following questions.
Question 3: A. skateboarding B. delighted C. injury D. waistcoat
Question 4: A. excite B. confusing C. frightened D. embarrass
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