Exercise 2: Mark the letter A, B, C or D to indicate the word whose underlined part is different from the other three in pronunciation in each of the following questions.

Question 12: A. playtime (the "a" sound is different) Question 13: A. generation (the "g" sound is different) Question 14: A. casual (the "a" sound is different) Question 15: A. collection (the "c" sound is different)

Exercise 3: Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.

Question 1: D. suburb (primary stress on the second syllable) Question 2: A. breadwinner (primary stress on the second syllable) Question 3: A. grocery (primary stress on the first syllable) Question 4: B. experience (primary stress on the second syllable) Question 5: A. routine (primary stress on the first syllable) Question 6: D. breadwinner (primary stress on the second syllable) Question 7: A. private (primary stress on the first syllable) Question 8: B. knowledge (primary stress on the second syllable) Question 9: A. indicate (primary stress on the first syllable) Question 10:C. violent (primary stress on the second syllable)