Exercise 1: Find the word with different sound in the underlined part in each line.
1.A. expectB. helpfulC. forgetD. brother
2.A. stoppedB. phonedC. showedD. opened
3.A. weatherB. whoC. winnerD. week
4.A. chairB. watchC. characterD. choose
5.A. educationB. collectionC. questionD. celebration
Exercise 2: Find the word which has different stress in each line.
1.A. worryB. suggestC. finishD. realize
2.A. windowB. touristC. storyD. Japan
3.A. performanceB. festivalC. celebrateD. seasonal
4.A. obeyB. trafficC. pavementD. travel
5.A. superstitiousB. religiousC. unusualD. tomato