PRACTICE 2 Find the word which has a different sound in the underlined part. 1. A. flood B. typhoon C. groom 2. A. hobby B. hour C. humor 3. A. dynamite 4. A. thunder B. terrify B. earthquake 5. A dump B. nuclear II. Find which word does not belong to each group. 1. A. automatic B. driverless 2. A. ship B. sailor 3. A. drive B. pedal 4. A. helicopter B. plane 5. A. ocean B. taxi C. deny C. gather C. bulb C. pilotless C. boat C. ride C. flying C. sea D. balloon D. hole D. symbol D. healthy D. plumber D. man D. train D. sail D. aeroplane D. beach